List of Freshwater Fishes reported from Paraguay

Family	Species	Author	Info	Occurrence	Common names	Max length	Remark	Photo
Anostomidae	Abramites hypselonotus	(Günther, 1868)	Fr	native	Per-dofolha (Spanish)	14.00 cm TL male/unsexed	Museum: Río Paraná, 2 km. E of Ayolas, UMMZ 207433 (Ref. 9743).
Cichlidae	Aequidens plagiozonatus	Kullander, 1984	Fr	misidentification		10.30 cm SL male/unsexed	Known from the La Plata region (Ref. 12251). Occurrence of this species in this country is not confirmed (Ref. 36377).
Auchenipteridae	Ageneiosus inermis	(Linnaeus, 1766)	Fr	native		64.80 cm TL male/unsexed
Auchenipteridae	Ageneiosus militaris	Valenciennes, 1835	Fr	native		30.00 cm SL male/unsexed
Aspredinidae	Amaralia oviraptor	Friel & Carvalho, 2016	Fr	native		12.28 cm SL male/unsexed	Found in Paraguay River Basin (Ref. 111083).	No picture yet.
Doradidae	Anadoras weddellii	(Castelnau, 1855)	Fr	native	Iagivá (Spanish)	15.00 cm SL male/unsexed
Loricariidae	Ancistrus dubius	Eigenmann & Eigenmann, 1889	Fr	native	Pirambocaya (Not specified)	12.60 cm SL male/unsexed		No picture yet.
Loricariidae	Ancistrus hoplogenys	(Günther, 1864)	Fr	native		15.80 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 36713).
Loricariidae	Ancistrus pirareta	Muller, 1989	Fr	native	Pirambocaya (Not specified)	15.60 cm SL male/unsexed	Known from the upper Tebicuary-mi River basin in lower Paraguay River drainage (Ref. 36713).
Loricariidae	Ancistrus piriformis	Muller, 1989	Fr	native	Pirambocaya (Not specified)	8.30 cm SL male/unsexed	Known from the Acaray River basin in middle Paraná River drainage (Ref. 36713).	No picture yet.
Parodontidae	Apareiodon affinis	(Steindachner, 1879)	Fr	native	Piki (Spanish)	18.10 cm TL male/unsexed
Characidae	Aphyocharax anisitsi	Eigenmann & Kennedy, 1903	Fr	native		5.50 cm TL male/unsexed	Known from the Paraná River basin (Ref. 38382).
Characidae	Aphyocharax dentatus	Eigenmann & Kennedy, 1903	Fr	native		7.20 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 38382). Also Ref. 598.
Characidae	Aphyocharax nattereri	(Steindachner, 1882)	Fr	native		3.10 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 38382).
Characidae	Aphyocharax rathbuni	Eigenmann, 1907	Fr	native		7.10 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 38382).
Cichlidae	Apistogramma borellii	(Regan, 1906)	Fr	native		3.90 cm SL male/unsexed	Known from Paraguay River basin (Ref. 36377). Also Ref. 4537.
Cichlidae	Apistogramma commbrae	(Regan, 1906)	Fr	native		3.30 cm SL male/unsexed ;3.50 cm TL female
Cichlidae	Apistogramma trifasciata	(Eigenmann & Kennedy, 1903)	Fr	native		3.80 cm SL male/unsexed ;4.60 cm female	Known from Paraná River basin in the Paraguay River drainage (Ref. 36377). Type locality: Arroyo Chagalalina, Paraguay (Ref. 12965). Also Ref. 12251.
Apteronotidae	Apteronotus albifrons	(Linnaeus, 1766)	Fr	native		50.00 cm TL male/unsexed	Also Ref. 4537, 12225.
Cichlidae	Astronotus crassipinnis	(Heckel, 1840)	Fr	native		24.00 cm SL male/unsexed	Known from the Paraná River basin in the Paraguay drainage (Ref. 36377). Type locality: R. Paraguay, Villa Maria and Caiçara, R. Guapore near Matogrosso, Rio Negro, Rio Branco, South America (Ref. 7442).
Characidae	Astyanax asuncionensis	Géry, 1972	Fr	native		15.00 cm SL male/unsexed	Known from the Paraguay and lower Paraná River basin (Ref. 38376).
Characidae	Astyanax bimaculatus	(Linnaeus, 1758)	Fr	questionable		17.50 cm TL male/unsexed	Not in Ref. 38376, occurrence needs verification. Museum: NRM Cat. No. 42317, 41918, 42264, 42194, 42198.
Characidae	Astyanax paraguayensis	(Fowler, 1918)	Fr	native			Found in the Paraguay River basin (Ref. 38376). Type locality: Puerto Bertoni (Ref. 26282).	No picture yet.
Auchenipteridae	Auchenipterus nigripinnis	(Boulenger, 1895)	Fr	native		20.20 cm SL male/unsexed		No picture yet.
Auchenipteridae	Auchenipterus osteomystax	(Miranda Ribeiro, 1918)	Fr	native		39.00 cm TL male/unsexed ;43.00 cm TL female
Cichlidae	Australoheros facetus	(Jenyns, 1842)	Fr	misidentification		19.30 cm SL male/unsexed	Reported to occur in this country (Ref. 1739).
Cichlidae	Australoheros guarani	Říčan & Kullander, 2008	Fr	native		12.91 cm SL male/unsexed	Type locality, Caaguazú, Río Guyrau-gua, Río Paraná drainage, km 197 on road from Asunción to Stroessner, MHNG 2237.58 (holotype of Australoheros guarani, 12.91 cm SL). It is sparsely distributed in the tributaries of the High Río Paraná (Ref. 74689).	No picture yet.
Rivulidae	Austrolebias monstrosus	(Huber, 1995)	Fr	native		15.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36579).	No picture yet.
Rivulidae	Austrolebias nigripinnis	(Regan, 1912)	Fr	native		7.00 cm TL male/unsexed
Rivulidae	Austrolebias paranaensis	Costa, 2006	Fr	native		2.54 cm SL male/unsexed ;2.50 cm SL female	Type locality of Austrolebias paranaensis, temporary pools adjacent to río Paraná, about 2 kilometers east of Ayolas, Misiones. Known from río Paraná floodplains in southern Paraguay (Ref. 57612). (Ref. 57613)	No picture yet.
Rivulidae	Austrolebias patriciae	(Huber, 1995)	Fr	native		4.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36579).
Rivulidae	Austrolebias vandenbergorum	(Huber, 1995)	Fr	native		9.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36579).
Characidae	Brachychalcinus retrospina	Boulenger, 1892	Fr	native		6.90 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 598, 36891).
Hypopomidae	Brachyhypopomus beebei	(Schultz, 1944)	Fr	native		32.00 cm SL male/unsexed
Hypopomidae	Brachyhypopomus draco	Giora, Malabarba & Crampton, 2008	Fr	native		15.19 cm OT male/unsexed
Hypopomidae	Brachyhypopomus gauderio	Giora & Malabarba, 2009	Fr	native		14.90 cm SL male/unsexed
Hypopomidae	Brachyhypopomus pinnicaudatus	(Hopkins, 1991)	Fr	native		18.60 cm TL male/unsexed
Bryconidae	Brycon hilarii	(Valenciennes, 1850)	Fr	native		56.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 38504).
Characidae	Bryconamericus exodon	Eigenmann, 1907	Fr	native		5.70 cm SL male/unsexed	Recorded from Paraguay river.	No picture yet.
Characidae	Bryconamericus stramineus	Eigenmann, 1908	Fr	native		11.40 cm TL male/unsexed
Cichlidae	Bujurquina vittata	(Heckel, 1840)	Fr	native		9.00 cm SL male/unsexed	Known from the Paraná River basin in the Paraguay River drainage (Ref. 36377).
Aspredinidae	Bunocephalus doriae	Boulenger, 1902	Fr	native		8.30 cm SL male/unsexed
Callichthyidae	Callichthys callichthys	(Linnaeus, 1758)	Fr	native		21.00 cm TL male/unsexed
Achiridae	Catathyridium jenynsii	(Günther, 1862)	Fr	native	Lenguado (Spanish)	23.70 cm male/unsexed
Achiridae	Catathyridium lorentzii	(Weyenbergh, 1877)	Fr	native	Lenguado (Spanish)	5.40 cm male/unsexed		No picture yet.
Cetopsidae	Cetopsis gobioides	Kner, 1858	Fr	native		10.90 cm SL male/unsexed
Cichlidae	Chaetobranchopsis australis	Eigenmann & Ward, 1907	Fr	native		12.00 cm SL male/unsexed	Known from the Paraná River basin in the Paraguay River (Ref. 36377). Type locality: Bahia Negra, Paraguay (Ref. 12965).
Crenuchidae	Characidium etzeli	Zarske & Géry, 2001	Fr	native		5.59 cm SL male/unsexed	Known from the Paraná River basin (Ref. 37059). Type locality, 4 km from Bella Vista, ca. 50 km northeast of Encarnaçion in the direction of Rio Paraná (Ref. 46206).	No picture yet.
Crenuchidae	Characidium laterale	(Boulenger, 1895)	Fr	native		3.50 cm SL male/unsexed	Known from the Paraná River basin (Ref. 37059). Type locality: Colonia Risso, Paraguay.
Characidae	Charax condei	(Géry & Knöppel, 1976)	Fr	misidentification		5.38 cm SL male/unsexed	Probably a misidentification.	No picture yet.
Characidae	Charax leticiae	Lucena, 1987	Fr	native		10.00 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 36811).
Characidae	Charax stenopterus	(Cope, 1894)	Fr	native		9.40 cm SL male/unsexed
Cichlidae	Cichla piquiti	Kullander & Ferreira, 2006	Fr	introduced		48.00 cm TL male/unsexed ;38.50 cm TL female	Translocated in Rio Limoy, Reserva Limoy de Itaipú, Rio Paraná drainage (Ref. 57716).
Cichlidae	Cichlasoma bimaculatum	(Linnaeus, 1758)	Fr	misidentification		12.30 cm SL male/unsexed ;30.00 cm TL female	Reported from this country (Ref. 1672, 7020). Occurrence of the species in the country is not confirmed (Ref. 36377).
Cichlidae	Cichlasoma dimerus	(Heckel, 1840)	Fr	native		11.70 cm SL male/unsexed	Known from the Paraná River basin, in the Paraguay River drainage (Ref. 36377).
Cichlidae	Cichlasoma pusillum	Kullander, 1983	Fr	endemic		6.60 cm SL male/unsexed	Known from the Acaray River in the Paraná River basin (Ref. 36377). Type locality: Puerto Palma, Río Paraná system, Alto Paraná, Paraguay (Ref. 12965).	No picture yet.
Poeciliidae	Cnesterodon raddai	Meyer & Etzel, 2001	Fr	native		2.32 cm SL male/unsexed
Callichthyidae	Corydoras aeneus	(Gill, 1858)	Fr	native		7.50 cm SL male/unsexed
Callichthyidae	Corydoras aurofrenatus	Eigenmann & Kennedy, 1903	Fr	native			Known from the Paraguay River basin (Ref. 37395).
Callichthyidae	Corydoras diphyes	Axenrot & Kullander, 2003	Fr	native		4.48 cm SL male/unsexed	Found only in tributaries of río Monday and río Acaray, ringht bank tributaries of río Paraná (Ref. 52874).
Callichthyidae	Corydoras ellisae	Gosline, 1940	Fr	native		5.00 cm SL male/unsexed	Found in mountain rills at Arroyo Pona, Sapucay (Rio Paraguay system near Asuncion) (Ref. 26041).
Callichthyidae	Corydoras hastatus	Eigenmann & Eigenmann, 1888	Fr	native		2.40 cm SL male/unsexed	Based on photo.
Callichthyidae	Corydoras paleatus	(Jenyns, 1842)	Fr	questionable		6.60 cm SL male/unsexed ;7.10 cm SL female	Occurrence needs further confirmation, not in Ref. 129023. Reported from Ref. 37395.
Characidae	Creagrutus meridionalis	Vari & Harold, 2001	Fr	native		11.00 cm SL male/unsexed	Found in the Paraguay River (Ref. 38376).
Characidae	Creagrutus paraguayensis	Mahnert & Géry, 1988	Fr	native		5.80 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 38376). Found in the Rio Azotey near mouth of Rio Ypané, Conception Province (Ref. 27116).	No picture yet.
Cichlidae	Crenicichla gillmorlisi	Kullander & Lucena, 2013	Fr	native		17.43 cm SL male/unsexed	Known from the río Acaray drainage (Ref. 93325).	No picture yet.
Cichlidae	Crenicichla lepidota	Heckel, 1840	Fr	native		20.90 cm TL male/unsexed	Known from the Paraguay River drainage and lower Paraná (Ref. 36377).
Cichlidae	Crenicichla mandelburgeri	Kullander, 2009	Fr	native		20.80 cm SL male/unsexed ;8.25 cm SL female	Type locality, Itapúa: Arroyo Tembey above falls,1-3 Nov. 1982, MHNG 2691 (holotype of Crenicichla mandelburgeri, 8.25 cm SL, female). Known from the streams Tembey, Pirayuy, Pirapó and Poromoco, Paraguayan tributaries to the Paraná River (Ref. 80386).
Cichlidae	Crenicichla niederleinii	(Holmberg, 1891)	Fr	native		23.50 cm SL male/unsexed	Known from the Paraná River basin (Ref. 36377).
Cichlidae	Crenicichla semifasciata	(Heckel, 1840)	Fr	native		17.66 cm SL male/unsexed	Known from the Paraguay River, Paraná River basin in the (Ref. 36377).	No picture yet.
Cichlidae	Crenicichla vittata	Heckel, 1840	Fr	native		31.00 cm TL male/unsexed	Known from the Paraguay River, Paraná River basin (Ref. 36377). Type locality: Flusse Cuyaba; Flusse Paraguay; Caiçara (Ref. 26688).
Characidae	Ctenobrycon alleni	(Eigenmann & McAtee, 1907)	Fr	native		9.00 cm SL male/unsexed	Known from the Paraguay River (Ref. 38376).	No picture yet.
Curimatidae	Curimatella dorsalis	(Eigenmann & Eigenmann, 1889)	Fr	native		14.90 cm TL male/unsexed	Known from Rio Paraguay (Ref. 28798). Also Ref. 38013.
Curimatidae	Curimatopsis myersi	Vari, 1982	Fr	native		4.35 cm SL male/unsexed	Known from Paraguay River basin (Ref. 38013). Type locality, swamp, 3 km northwest of Lima, San Pedro Department, Paraguay, ca. 23°55'S, 56°29'W (Ref. 26282).	No picture yet.
Characidae	Cynopotamus argenteus	(Valenciennes, 1836)	Fr	native		29.50 cm SL male/unsexed
Characidae	Cynopotamus kincaidi	(Schultz, 1950)	Fr	native		31.50 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36811).	No picture yet.
Curimatidae	Cyphocharax gillii	(Eigenmann & Kennedy, 1903)	Fr	native		10.00 cm SL male/unsexed	Found in the rivers of Concepcion, San Pedro, Misiones, Paraguari, and Cordillera states (Ref. 11334). Also Ref. 38013.
Curimatidae	Cyphocharax modestus	(Fernández-Yépez, 1948)	Fr	native		16.20 cm SL male/unsexed	Museum: Caaguazu, Arroyo Yuquyry, USNM 295930; MHNG uncat. (Ref. 11334).	No picture yet.
Curimatidae	Cyphocharax platanus	(Günther, 1880)	Fr	native		13.40 cm SL male/unsexed	Museum: USNM 55661. Asuncion Bay, USNM 295978 (Ref. 11334).	No picture yet.
Curimatidae	Cyphocharax saladensis	(Meinken, 1933)	Fr	native		9.80 cm TL male/unsexed	Museum: Candendiyu: Rio Carapa, USNM 247310. San Pedro, Arroyo Pindo, UMMZ 206838. Concepcion, Rio Ypane system, UMMZ 207752 (Ref. 11334).
Curimatidae	Cyphocharax spilotus	(Vari, 1987)	Fr	native		10.40 cm TL male/unsexed	Known from Caaguazu, Cordillera, and San Pedro (Ref. 11334).	No picture yet.
Curimatidae	Cyphocharax voga	(Hensel, 1870)	Fr	native		26.30 cm TL male/unsexed	Known from Central and Paraguari (Ref. 11334).
Cyprinidae	Cyprinus carpio	Linnaeus, 1758	Fr, Aq	introduced		120 cm TL male/unsexed
Characidae	Deuterodon luetkenii	(Boulenger, 1887)	Fr	native		9.60 cm TL male/unsexed	Found in the Paraguay River basin (Ref. 38376).
Characidae	Diapoma guarani	(Mahnert & Géry, 1987)	Fr	native		3.05 cm SL male/unsexed	Type locality of Diapoma guarani, Alto Paraná, Rio Paraná at Puerto Bertoni (Ref. 119400). Also Ref. 27925.	No picture yet.
Sternopygidae	Eigenmannia trilineata	López & Castello, 1966	Fr	native		25.00 cm TL male/unsexed
Sternopygidae	Eigenmannia virescens	(Valenciennes, 1836)	Fr	native		44.00 cm SL male/unsexed
Auchenipteridae	Epapterus dispilurus	Cope, 1878	Fr	native		15.40 cm SL male/unsexed	Known from the Rio Paraguay system (Ref. 37098).	No picture yet.
Loricariidae	Farlowella hahni	Meinken, 1937	Fr	native		20.10 cm SL male/unsexed	Known from the Paraná River basin (Ref. 36389).
Loricariidae	Farlowella paraguayensis	Retzer & Page, 1997	Fr	native		17.50 cm SL male/unsexed	Found in the Paraguay River (Ref. 36389).
Characidae	Galeocharax humeralis	(Valenciennes, 1834)	Fr	native		30.60 cm TL male/unsexed		No picture yet.
Characidae	Gymnocorymbus ternetzi	(Boulenger, 1895)	Fr	misidentification		7.50 cm SL male/unsexed	Probably a misidentification.
Cichlidae	Gymnogeophagus balzanii	(Perugia, 1891)	Fr	native		12.00 cm SL male/unsexed	Known from the Paraguay drainage of the Paraná River basin (Ref. 36377).
Cichlidae	Gymnogeophagus caaguazuensis	Staeck, 2006	Fr	native		8.63 cm SL male/unsexed	Type locality, upper río Tebicuary-mi, tributary to río Tebicuary (drainage of the lower río Paraguay), at ruta No. 7 approx. 25 km east of Cnel. Oviedo in the province of Caaguazú, MTD F 30367 (holotype of Gymnogeophagus caaguazuensis, 8.48 cm SL, male) (Ref. 78439).	No picture yet.
Cichlidae	Gymnogeophagus jaryi	Alonso, Terán, Aguilera, Říčan, Casciotta, Serra, Almirón, Benítez et al., 2019	Fr	native		13.26 cm SL male/unsexed	Known from Manduviyú, Pirapó and Ype Curú basins (Ref. 119666).	No picture yet.
Cichlidae	Gymnogeophagus rhabdotus	(Hensel, 1870)	Fr	misidentification		12.00 cm SL male/unsexed	Reported from the country (Ref. 4537). Occurrence in the country is not confirmed (Ref. 36377).
Cichlidae	Gymnogeophagus setequedas	Reis, Malabarba & Pavanelli, 1992	Fr	native		9.80 cm SL male/unsexed	Known from the Paraná River basin (Ref. 36377). Type locality: Río Iguazú reservoir at Juan E. O'Leary, Rio Paraná drainage, Province of Alto Paraná, Paraguay, ca. 55°30'S, 25°20'W (Ref. 36377). Also Ref. 12251.	No picture yet.
Rhamphichthyidae	Gymnorhamphichthys britskii	Carvalho, Ramos & Albert, 2011	Fr	native		18.00 cm SL male/unsexed		No picture yet.
Rhamphichthyidae	Gymnorhamphichthys rondoni	(Miranda Ribeiro, 1920)	Fr	native		15.00 cm TL male/unsexed	Found in the Paraná River basin (Ref. 36685).
Gymnotidae	Gymnotus carapo	Linnaeus, 1758	Fr	native		76.00 cm TL male/unsexed	Also Ref. 4537.
Gymnotidae	Gymnotus cuia	Craig, Malabarba, Crampton & Albert, 2018	Fr	native		30.50 cm TL male/unsexed	Known from the Paraná River basin (Ref. 118108).	No picture yet.
Gymnotidae	Gymnotus inaequilabiatus	(Valenciennes, 1839)	Fr	native		99.80 cm TL male/unsexed	Not in Ref. 36692.
Gymnotidae	Gymnotus pantanal	Fernandes, Albert, Daniel-Silva, Lopes, Crampton & Almeida-Toledo, 2005	Fr	native		26.00 cm TL male/unsexed
Gymnotidae	Gymnotus paraguensis	Albert & Crampton, 2003	Fr	native		24.00 cm SL male/unsexed	Recorded from Río Itapua (Ref. 49716). Type locality: Itapua, Arroyo Tembey, 7.4 km SW of San Rafael, Río Parana drainage (Ref. 49716).
Characidae	Hemigrammus durbinae	Ota, Lima & Pavanelli, 2015	Fr	native		2.80 cm SL male/unsexed	Known from rio Paraguai and rio Paraná basins (Ref. 101340).	No picture yet.
Characidae	Hemigrammus lunatus	Durbin, 1918	Fr	native		4.80 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 96864).	No picture yet.
Characidae	Hemigrammus mahnerti	Uj & Géry, 1989	Fr	native		2.75 cm SL male/unsexed		No picture yet.
Characidae	Hemigrammus marginatus	Ellis, 1911	Fr	misidentification		4.50 cm SL male/unsexed	Occurrence in the country not confirmed by F.C.T. Lima and O.T. Oyakawa.
Characidae	Hemigrammus tridens	Eigenmann, 1907	Fr	native		2.00 cm SL male/unsexed
Hemiodontidae	Hemiodus orthonops	Eigenmann & Kennedy, 1903	Fr	native		31.00 cm TL male/unsexed ;34.20 cm TL female
Hemiodontidae	Hemiodus semitaeniatus	Kner, 1858	Fr	native		20.00 cm SL male/unsexed
Pimelodidae	Hemisorubim platyrhynchos	(Valenciennes, 1840)	Fr	native		61.00 cm TL female
Heptapteridae	Heptapterus mustelinus	(Valenciennes, 1835)	Fr	native		26.00 cm SL male/unsexed	Known from riò Acaray, afluente del Rìo Paranà. Dept. Alto Paranà (,Walter Gill Morlis - wgillmor@itaipu.gov.py, pers.comm. 01/09).
Trichomycteridae	Homodiaetus anisitsi	Eigenmann & Ward, 1907	Fr	native		4.90 cm TL male/unsexed	Type locality: Villa Rica, Paraguay (Ref. 26282, 6868).	No picture yet.
Erythrinidae	Hoplias malabaricus	(Bloch, 1794)	Fr	native		65.00 cm TL male/unsexed
Callichthyidae	Hoplosternum littorale	(Hancock, 1828)	Fr	native		26.30 cm TL male/unsexed
Characidae	Hyphessobrycon arianae	Uj & Géry, 1989	Fr	native		2.40 cm SL male/unsexed		No picture yet.
Characidae	Hyphessobrycon elachys	Weitzman, 1984	Fr	native		2.00 cm SL male/unsexed	Known from the Paraguay River (Ref. 38376).
Characidae	Hyphessobrycon eques	(Steindachner, 1882)	Fr	native		4.00 cm SL male/unsexed	Recorded from Concepcion.
Characidae	Hyphessobrycon procerus	Mahnert & Géry, 1987	Fr	native		3.30 cm SL male/unsexed	Museum: Río Guyrau-gua at Ltr. Juan M. Frutos, Departo. Caaguazu, MZUSP 38400 (Ref. 27925).	No picture yet.
Characidae	Hyphessobrycon pytai	Géry & Mahnert, 1993	Fr	native		3.80 cm SL male/unsexed	Type locality: Caaguazu, small trib. of Río Güyraugua, near Juan Frutos, Río Monday basin (Parana), Paraguay.	No picture yet.
Loricariidae	Hypoptopoma inexspectatum	(Holmberg, 1893)	Fr	native		7.10 cm SL male/unsexed	Known from Alto Paraguay, Amambay, Central, Conception, Presidente Hayes and San Pedro (Ref. 84367).
Loricariidae	Hypostomus albopunctatus	(Regan, 1908)	Fr	questionable		40.00 cm SL male/unsexed		No picture yet.
Loricariidae	Hypostomus boulengeri	(Eigenmann & Kennedy, 1903)	Fr	native	Pirá tatu (Guarani), Cascarudo (Spanish), Guaimingué (Guarani)	24.50 cm SL male/unsexed
Loricariidae	Hypostomus cochliodon	Kner, 1854	Fr	native		23.00 cm SL male/unsexed
Loricariidae	Hypostomus commersoni	Valenciennes, 1836	Fr	native		60.50 cm TL male/unsexed
Loricariidae	Hypostomus derbyi	(Haseman, 1911)	Fr	questionable		31.00 cm SL male/unsexed		No picture yet.
Loricariidae	Hypostomus dlouhyi	Weber, 1985	Fr	native	Cascarudo (Portuguese)	24.50 cm SL male/unsexed		No picture yet.
Loricariidae	Hypostomus itacua	Valenciennes, 1836	Fr	questionable		11.00 cm TL male/unsexed		No picture yet.
Loricariidae	Hypostomus latifrons	Weber, 1986	Fr	native	Cascarudo (Spanish)	28.70 cm SL male/unsexed
Loricariidae	Hypostomus latirostris	(Regan, 1904)	Fr	native	Cascarudo (Spanish)	26.00 cm TL male/unsexed		No picture yet.
Loricariidae	Hypostomus margaritifer	(Regan, 1908)	Fr	questionable		33.00 cm TL male/unsexed
Loricariidae	Hypostomus microstomus	Weber, 1987	Fr	native	Pirá tatu (Guarani), Cascarudo (Spanish), Guaimingué (Guarani)	24.00 cm SL male/unsexed		No picture yet.
Loricariidae	Hypostomus paranensis	Weyenbergh, 1877	Fr	native				No picture yet.
Loricariidae	Hypostomus paulinus	(Ihering, 1905)	Fr	questionable		13.50 cm SL male/unsexed		No picture yet.
Loricariidae	Hypostomus piratatu	Weber, 1986	Fr	native		27.50 cm SL male/unsexed		No picture yet.
Loricariidae	Hypostomus regani	(Ihering, 1905)	Fr	native	Cascarudo (Spanish)	41.00 cm SL male/unsexed
Loricariidae	Hypostomus ternetzi	(Boulenger, 1895)	Fr	native	Pirá tatu (Guarani), Cascarudo (Spanish), Guaimingué (Guarani)	34.30 cm TL male/unsexed	Type locality (Ref. 6868).
Pimelodidae	Iheringichthys labrosus	(Lütken, 1874)	Fr	native		43.50 cm TL female
Pimelodidae	Iheringichthys megalops	Eigenmann & Ward, 1907	Fr	endemic			Type locality: Bahia Negra, Rio Paraguay (Ref. 26282, 6868).	No picture yet.
Characidae	Knodus moenkhausii	(Eigenmann & Kennedy, 1903)	Fr	native		4.50 cm TL male/unsexed	Found in the Paraguay River basin (Ref. 38376).
Cichlidae	Laetacara dorsigera	(Heckel, 1840)	Fr	native	Cará-bobo (Spanish)	6.00 cm SL male/unsexed	Known from the Paraná River basin in the Paraguay River drainage (Ref. 36377).
Lepidosirenidae	Lepidosiren paradoxa	Fitzinger, 1837	Fr	native		125 cm TL male/unsexed	Recorded from the Gran Chaco (Ref. 12225). Also Ref. 36887.
Anostomidae	Leporellus vittatus	(Valenciennes, 1850)	Fr	native		30.00 cm SL male/unsexed
Anostomidae	Leporinus striatus	Kner, 1858	Fr	native		25.00 cm TL male/unsexed
Callichthyidae	Lepthoplosternum pectorale	(Boulenger, 1895)	Fr	native		6.03 cm SL male/unsexed	Recorded from the Rio Paraguay (Ref. 26144). Also Ref. 37395, 56211.
Loricariidae	Loricaria apeltogaster	Boulenger, 1895	Fr	native		32.40 cm SL male/unsexed	Known from Rio Paraguay (Ref. 6868).	No picture yet.
Loricariidae	Loricaria luciae	Thomas, Rodriguez, Carvallaro, Froehlich & Macedo Corrêa e Castro, 2013	Fr	native		18.91 cm SL male/unsexed	Known from the rio Paraguay basin (Ref. 94550).
Loricariidae	Loricaria simillima	Regan, 1904	Fr	native		26.40 cm SL male/unsexed
Loricariidae	Loricariichthys labialis	(Boulenger, 1895)	Fr	native		22.00 cm SL male/unsexed		No picture yet.
Loricariidae	Loricariichthys platymetopon	Isbrücker & Nijssen, 1979	Fr	native		38.30 cm TL male/unsexed ;39.00 cm TL female
Loricariidae	Loricariichthys rostratus	Reis & Pereira, 2000	Fr	native		27.50 cm SL male/unsexed	Known from the Paraná River (Ref. 36389).
Pimelodidae	Luciopimelodus pati	(Valenciennes, 1835)	Fr	native		103 cm TL male/unsexed
Characidae	Markiana nigripinnis	(Perugia, 1891)	Fr	native		10.40 cm SL male/unsexed
Loricariidae	Megalancistrus parananus	(Peters, 1881)	Fr	native		58.80 cm SL male/unsexed
Callichthyidae	Megalechis thoracata	(Valenciennes, 1840)	Fr	native		15.50 cm SL male/unsexed	Recorded from Lower Parana (Ref. 95882).
Anostomidae	Megaleporinus obtusidens	(Valenciennes, 1837)	Fr	native		76.00 cm TL male/unsexed	Known from the Paraná and Paraguay River basins (Ref. 93038).
Pimelodidae	Megalonema pauciradiatum	Eigenmann, 1919	Fr	endemic		3.80 cm SL male/unsexed	Known from Paraná River basin (Ref. 36506). Found in Vila Rica (=Villarrica?) (Ref. 6868).	No picture yet.
Pimelodidae	Megalonema platanum	(Günther, 1880)	Fr	native		40.00 cm SL male/unsexed	Known from Paraná River basin (Ref. 36506).
Rivulidae	Melanorivulus punctatus	(Boulenger, 1895)	Fr	native		3.50 cm TL male/unsexed
Cichlidae	Mesonauta festivus	(Heckel, 1840)	Fr	native		12.10 cm SL male/unsexed	Known from the Paraná River basin in the Paraguay River drainage (Ref. 36377).
Serrasalmidae	Metynnis maculatus	(Kner, 1858)	Fr, Fi	questionable		18.00 cm TL male/unsexed	Probably a misidentification (Ref. 34077).
Serrasalmidae	Metynnis mola	Eigenmann & Kennedy, 1903	Fr	native		15.00 cm TL male/unsexed	Type locality: Arroyo Trementina, Paraguay.
Serrasalmidae	Metynnis otuquensis	Ahl, 1923	Fr	native		8.70 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 39031).
Pseudopimelodidae	Microglanis carlae	Vera Alcaraz, da Graça & Shibatta, 2008	Fr	native		3.41 cm SL male/unsexed	Found in the arroyo Yacaré, left bank tributary of río Tebicuary, and río Salado, left bank tributary of río Paraguay, río Paraguay basin (Ref. 79079).	No picture yet.
Characidae	Mimagoniates barberi	Regan, 1907	Fr	native		3.45 cm SL male/unsexed	Occurs usually in blackwater streams of Estado Paraguay and San Pedro (Ref. 38597). Type locality, central and southern (Ref. 30267).	No picture yet.
Characidae	Mixobrycon ribeiroi	(Eigenmann, 1907)	Fr	native		3.50 cm SL male/unsexed	Found in the Paraguay River basin (Ref. 38376).	No picture yet.
Characidae	Moenkhausia australis	Eigenmann, 1908	Fr	native		3.76 cm SL male/unsexed	Recorded from arroyo Trementina, rio Paraná; also arroyo Chagalalina (Ref. 104871).	No picture yet.
Characidae	Moenkhausia dichroura	(Kner, 1858)	Fr	native		10.00 cm SL male/unsexed
Characidae	Moenkhausia intermedia	Eigenmann, 1908	Fr	native		8.00 cm SL male/unsexed	Paraguay river.
Characidae	Moenkhausia sanctaefilomenae	(Steindachner, 1907)	Fr	native		7.00 cm SL male/unsexed
Serrasalmidae	Myloplus levis	(Eigenmann & McAtee, 1907)	Fr	native		20.00 cm SL male/unsexed		No picture yet.
Serrasalmidae	Myloplus tiete	(Eigenmann & Norris, 1900)	Fr	native		16.30 cm SL male/unsexed		No picture yet.
Serrasalmidae	Mylossoma duriventre	(Cuvier, 1818)	Fr	native		25.00 cm SL male/unsexed
Rivulidae	Neofundulus ornatipinnis	Myers, 1935	Fr	native		7.00 cm TL male/unsexed	Known from the Paraguay River (Ref. 36579).	No picture yet.
Rivulidae	Neofundulus paraguayensis	(Eigenmann & Kennedy, 1903)	Fr	native		7.00 cm TL male/unsexed	Known from the Paraguay River (Ref. 36579).
Characidae	Odontostilbe paraguayensis	Eigenmann & Kennedy, 1903	Fr	native		4.00 cm SL male/unsexed	Recorded from Rio Paraguay.	No picture yet.
Characidae	Odontostilbe pequira	(Steindachner, 1882)	Fr	native		5.60 cm SL male/unsexed
Characidae	Oligosarcus oligolepis	(Steindachner, 1867)	Fr	native		26.20 cm SL male/unsexed		No picture yet.
Characidae	Oligosarcus paranensis	Menezes & Géry, 1983	Fr	native		20.50 cm SL male/unsexed ;16.00 cm SL female
Characidae	Oligosarcus pintoi	Amaral Campos, 1945	Fr	native		8.80 cm SL male/unsexed	Found in the Paraná River (Ref. 38376).
Doradidae	Ossancora eigenmanni	(Boulenger, 1895)	Fr	native		15.20 cm SL male/unsexed
Loricariidae	Otocinclus mimulus	Axenrot & Kullander, 2003	Fr	native		4.27 cm SL male/unsexed	Found in tributaries of río Monday, a right bank tributary of the río Paraná (Ref. 52874).	No picture yet.
Loricariidae	Otocinclus vestitus	Cope, 1872	Fr	native		3.20 cm SL male/unsexed
Loricariidae	Otocinclus vittatus	Regan, 1904	Fr	native		3.30 cm TL male/unsexed
Loricariidae	Otothyropsis dialeukos	Calegari, Morlis & Reis, 2017	Fr	native		3.58 cm SL male/unsexed	Found in the Arroyo Itá, a tributary to the Embalse de Acaray, upper Río Paraná basin (Ref. 116501).	No picture yet.
Loricariidae	Otothyropsis piribebuy	Calegari, Lehmann A. & Reis, 2011	Fr	native		2.88 cm SL male/unsexed	Found in two localities on the left tributaries to the río Paraguay, the río Piribebuy near Eusébio Ayala, Cordillera and the río Aguaray near Lima, San Pedro (Ref. 87312).
Doradidae	Oxydoras kneri	Bleeker, 1862	Fr	native	Itagua-pochih (Not specified)	70.00 cm TL male/unsexed	Found in Paraná River (Ref. 37054).
Rivulidae	Papiliolebias bitteri	(Costa, 1989)	Fr	native		5.00 cm TL male/unsexed	Known from the Paraguay River (Ref. 36579). Also Ref. 27139.
Loricariidae	Paraloricaria agastor	Isbrücker, 1979	Fr	native		10.80 cm SL male/unsexed	Known from the Paraguay River (Ref. 36389).	No picture yet.
Pimelodidae	Parapimelodus valenciennis	(Lütken, 1874)	Fr	native		24.00 cm SL male/unsexed	Known from the Paraná River basin (Ref. 36506).
Trichomycteridae	Paravandellia oxyptera	Miranda Ribeiro, 1912	Fr	native	Sumbichuga (Spanish), Pantanal parasitic catfish (English), Paraguay River candiru (English)	2.80 cm NG male/unsexed	Type locality: Asuncion, Paraguay basin (Ref. 6868).
Parodontidae	Parodon carrikeri	Fowler, 1940	Fr	native		14.70 cm SL male/unsexed	Recorded from the upper Rio Paraguay (Ref. 598).	No picture yet.
Parodontidae	Parodon nasus	Kner, 1859	Fr	native		12.70 cm SL male/unsexed
Poeciliidae	Phalloceros caudimaculatus	(Hensel, 1868)	Fr	native		3.50 cm SL male/unsexed ;6.00 cm TL female	Also Ref. 1739.
Poeciliidae	Phalloceros harpagos	Lucinda, 2008	Fr	native		3.41 cm SL male/unsexed ;4.68 cm SL female	Known from rio Parana-Paraguay basins (Ref. 76852).
Poeciliidae	Phalloptychus januarius	(Hensel, 1868)	Fr	native		2.50 cm SL male/unsexed ;4.00 cm female
Poeciliidae	Phallotorynus dispilos	Lucinda, Rosa & Reis, 2005	Fr	native		1.81 cm SL male/unsexed ;2.53 cm SL female	Type locality, creek crossing road from Colonia Sommerfield to Repatriación, district of Pueblo de Dios, Caaguazú, MNHNP 4620 (holotype of Phallotorynus dispilos, 1.81 cm SL, male). Occurs in the middle portions of Rio Parana drainage in Departamento de Caaguazu (Ref. 56059).	No picture yet.
Poeciliidae	Phallotorynus jucundus	Ihering, 1930	Fr	questionable		2.50 cm SL male/unsexed ;3.00 cm female	Outside distributional range, occurrence needs further confirmation.	No picture yet.
Poeciliidae	Phallotorynus psittakos	Lucinda, Rosa & Reis, 2005	Fr	native	Piky (Spanish)	1.81 cm SL male/unsexed ;2.39 cm SL female	Type locality, arroyo Clementina, east of Santa Rosa, San Pedro, MNHNP 4621 (holotype of Phallotorynus psittakos, 1.59 cm SL, male). Known from the lower portions of the Rio Paraguay drainage in Departamentos Central, Misiones and San Pedro (Ref. 56059).	No picture yet.
Poeciliidae	Phallotorynus victoriae	Oliveros, 1983	Fr	native	Piky (Not specified)	2.30 cm SL male/unsexed	Known from lower and middle Paraná River drainage in Caaguazú, Misiones and Alto Paraná Departments (Ref. 50894).	No picture yet.
Characidae	Phenacogaster tegatus	(Eigenmann, 1911)	Fr	native		3.50 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 36811).
Characidae	Piabarchus analis	(Eigenmann, 1914)	Fr	native		4.90 cm SL male/unsexed		No picture yet.
Characidae	Piabarchus torrenticola	Mahnert & Géry, 1988	Fr	native		7.70 cm SL male/unsexed	Also Ref. 42679.	No picture yet.
Characidae	Piabina argentea	Reinhardt, 1867	Fr	native		7.30 cm SL male/unsexed
Iguanodectidae	Piabucus melanostoma	Holmberg, 1891	Fr	native		11.50 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 38383).	No picture yet.
Serrasalmidae	Piaractus mesopotamicus	(Holmberg, 1887)	Fr	native		40.50 cm SL male/unsexed
Heptapteridae	Pimelodella griffini	Eigenmann, 1917	Fr	native		8.80 cm TL male/unsexed	Known from Paraguay River basin (Ref. 36914). Type locality: Near Sapucay, Paraguay (Ref. 26282, 6868).	No picture yet.
Heptapteridae	Pimelodella laticeps	Eigenmann, 1917	Fr	native		11.70 cm SL male/unsexed	Found in the lower Paraguay River basin (Ref. 36914). Known from Sapucay River (Ref. 6868).
Heptapteridae	Pimelodella mucosa	Eigenmann & Ward, 1907	Fr	endemic		13.50 cm SL male/unsexed	Known from Paraguay River basin (Ref. 36914). Type locality: Bahia Negra, Río Paraguay (Ref. 26282, 6868).	No picture yet.
Heptapteridae	Pimelodella parva	Güntert, 1942	Fr	endemic		2.80 cm TL male/unsexed	Type locality: Río Paraguay, Paraguay (Ref. 26282, 6868, 36914).	No picture yet.
Pimelodidae	Pimelodus ornatus	Kner, 1858	Fr	native		38.50 cm SL male/unsexed
Pimelodidae	Pinirampus pirinampu	(Spix & Agassiz, 1829)	Fr, Sp	native		120 cm TL male/unsexed	Utilized as a game fish (Ref. 6323).
Sciaenidae	Plagioscion ternetzi	Boulenger, 1895	Fr	native	Corvina (Spanish)	39.00 cm SL male/unsexed	Type locality: Remanso, Rio Grande, Paraguay, BMNH 1895.5.17.1-2 (syntypes of Plagioscion ternetzi) (Ref. 36888).
Doradidae	Platydoras armatulus	(Valenciennes, 1840)	Fr	native	Itagwa (Not specified)	43.00 cm SL male/unsexed	Known from the Paraná River (Ref. 37054).
Characidae	Poptella paraguayensis	(Eigenmann, 1907)	Fr	native		10.20 cm SL male/unsexed
Curimatidae	Potamorhina squamoralevis	(Braga & Azpelicueta, 1983)	Fr	native		23.40 cm SL male/unsexed	Known from Rio Paraguay and Paraná drainage basins.	No picture yet.
Belonidae	Potamorrhaphis eigenmanni	Miranda Ribeiro, 1915	Fr	native		22.80 cm SL male/unsexed	Paraguay River.
Potamotrygonidae	Potamotrygon brachyura	(Günther, 1880)	Fr	native		95.00 cm WD male/unsexed		No picture yet.
Potamotrygonidae	Potamotrygon falkneri	Castex & Maciel, 1963	Fr	native	Raya (Spanish)	60.00 cm WD male/unsexed	Also Ref. 38803.
Potamotrygonidae	Potamotrygon motoro	(Müller & Henle, 1841)	Fr	native		50.00 cm WD male/unsexed
Potamotrygonidae	Potamotrygon schuhmacheri	Castex, 1964	Fr	native	Raya (Spanish)	25.00 cm WD male/unsexed		No picture yet.
Characidae	Prionobrama paraguayensis	(Eigenmann, 1914)	Fr	native		5.00 cm TL male/unsexed
Prochilodontidae	Prochilodus lineatus	(Valenciennes, 1837)	Fr	native	Sábalo (Spanish)	80.00 cm TL male/unsexed
Characidae	Psalidodon anisitsi	(Eigenmann, 1907)	Fr	native		13.20 cm TL male/unsexed
Characidae	Psalidodon eigenmanniorum	(Cope, 1894)	Fr	native		14.40 cm TL male/unsexed		No picture yet.
Characidae	Psalidodon pellegrini	(Eigenmann, 1907)	Fr	native		8.00 cm SL male/unsexed	Type locality: Paraguay basin and Bahia Negra (Ref. 46206).	No picture yet.
Characidae	Psalidodon rutilus	(Jenyns, 1842)	Fr	native		6.99 cm SL male/unsexed	Probably most of the Paraguayan records of A. fasciatus can be assigned to A. rutilus (Mirande, pers.comm.); the former considered not present in Paraguay (Ref. 121237).	No picture yet.
Curimatidae	Psectrogaster curviventris	Eigenmann & Kennedy, 1903	Fr	native		17.10 cm SL male/unsexed	Type locality, Asuncion, Río Paraguay, Paraguay (Ref. 26282).	No picture yet.
Characidae	Psellogrammus kennedyi	(Eigenmann, 1903)	Fr	native		5.90 cm SL male/unsexed
Aspredinidae	Pseudobunocephalus iheringii	(Boulenger, 1891)	Fr	native		6.30 cm TL male/unsexed		No picture yet.
Aspredinidae	Pseudobunocephalus rugosus	(Eigenmann & Kennedy, 1903)	Fr	native		3.00 cm SL male/unsexed		No picture yet.
Loricariidae	Pseudohemiodon laticeps	(Regan, 1904)	Fr	native		29.80 cm SL male/unsexed
Pseudopimelodidae	Pseudopimelodus mangurus	(Valenciennes, 1835)	Fr	native		69.00 cm TL male/unsexed
Pimelodidae	Pseudoplatystoma corruscans	(Spix & Agassiz, 1829)	Fr, Sp	native		182 cm TL male/unsexed	Known from Paraná River basin (Ref. 36506). Also Ref. 6323.
Pimelodidae	Pseudoplatystoma fasciatum	(Linnaeus, 1766)	Fr	questionable		105 cm SL male/unsexed
Pimelodidae	Pseudoplatystoma reticulatum	Eigenmann & Eigenmann, 1889	Fr	native		60.50 cm SL male/unsexed
Aspredinidae	Pterobunocephalus depressus	(Haseman, 1911)	Fr	native		8.90 cm SL male/unsexed
Doradidae	Pterodoras granulosus	(Valenciennes, 1821)	Fr	native	Itagivá (Spanish)	68.00 cm SL male/unsexed ;90.10 cm SL female
Rivulidae	Pterolebias longipinnis	Garman, 1895	Fr	native		12.00 cm TL male/unsexed
Loricariidae	Pterygoplichthys ambrosettii	(Holmberg, 1893)	Fr	native	Guaimingué (Guarani)	54.90 cm TL male/unsexed ;55.00 cm TL female	Known from Rio Paraguay (Ref. 58032).
Serrasalmidae	Pygocentrus nattereri	Kner, 1858	Fr	native		50.00 cm SL male/unsexed
Lebiasinidae	Pyrrhulina australis	Eigenmann & Kennedy, 1903	Fr	native		5.00 cm SL male/unsexed
Heptapteridae	Rhamdia quelen	(Quoy & Gaimard, 1824)	Fr	native	Ñurundiá (Spanish)	61.00 cm TL male/unsexed	Occurs in Riactis Canâwé, Dept. de Ita, Paraguay (Ref. 26282).
Cynodontidae	Rhaphiodon vulpinus	Spix & Agassiz, 1829	Fr	native	Pirayagua (Spanish)	80.00 cm SL male/unsexed
Loricariidae	Rhinelepis strigosa	Valenciennes, 1840	Fr	native		48.00 cm SL male/unsexed
Doradidae	Rhinodoras dorbignyi	(Kner, 1855)	Fr	native		50.00 cm TL male/unsexed	Known from the Paraná River (Ref. 37054).
Loricariidae	Rineloricaria aurata	(Knaack, 2003)	Fr	native				No picture yet.
Loricariidae	Rineloricaria fallax	(Steindachner, 1915)	Fr	misidentification		15.70 cm SL male/unsexed	Occurrence in this country not confirmed by C.J. Ferraris; probably a misidentification.
Loricariidae	Rineloricaria parva	(Boulenger, 1895)	Fr	native		11.00 cm SL male/unsexed	Known from Alto Raraguay, Riacho Celina (Ref. 40941)
Characidae	Roeboides descalvadensis	Fowler, 1932	Fr	native	Dientudo (Spanish), Parana scale-eating characin (English)	8.90 cm SL male/unsexed	Known from the Paraguay River (Ref. 36811).
Characidae	Roeboides microlepis	(Reinhardt, 1851)	Fr	native	Dientudo (Spanish)	20.00 cm SL male/unsexed	Known from rio Paraguai (Ref. 57858).	No picture yet.
Characidae	Roeboides prognathus	(Boulenger, 1895)	Fr	native	Dientudo (Spanish)	18.50 cm SL male/unsexed
Bryconidae	Salminus brasiliensis	(Cuvier, 1816)	Fr	native		100.00 cm SL male/unsexed
Cichlidae	Satanoperca pappaterra	(Heckel, 1840)	Fr	native	Pantanal eartheater (English), Paraguay River eartheater (English)	27.00 cm TL male/unsexed ;27.50 cm TL female	Known from the Paraná River basin in Paraguay River drainage (Ref. 36377).
Anostomidae	Schizodon isognathus	Kner, 1858	Fr	native		35.00 cm SL male/unsexed	Known from the Río Paraguay system (Ref. 75767).	No picture yet.
Callichthyidae	Scleromystax macropterus	(Regan, 1913)	Fr	native		8.70 cm SL male/unsexed
Scoloplacidae	Scoloplax distolothrix	Schaefer, Weitzman & Britski, 1989	Fr	native		1.79 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 36693).	No picture yet.
Characidae	Serrapinnus calliurus	(Boulenger, 1900)	Fr	native		4.40 cm SL male/unsexed		No picture yet.
Characidae	Serrapinnus heterodon	(Eigenmann, 1915)	Fr	native		8.29 cm SL male/unsexed	Known from the upper Paraná (Ref. 37055).
Characidae	Serrapinnus kriegi	(Schindler, 1937)	Fr	native		2.36 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 37055). Type locality: Centurión, n. Paraguay (Ref. 26282). Also Ref. 598.
Characidae	Serrapinnus microdon	(Eigenmann, 1915)	Fr	native		4.20 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 37055).	No picture yet.
Serrasalmidae	Serrasalmus maculatus	Kner, 1858	Fr	native		26.40 cm TL male/unsexed ;34.50 cm TL female
Serrasalmidae	Serrasalmus marginatus	Valenciennes, 1837	Fr	native		27.10 cm TL male/unsexed ;32.40 cm TL female
Pimelodidae	Sorubim lima	(Bloch & Schneider, 1801)	Fr	native		54.20 cm TL male/unsexed
Rivulidae	Spectrolebias chacoensis	(Amato, 1986)	Fr	endemic		6.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36579). Also Ref. 27139.
Curimatidae	Steindachnerina biornata	(Braga & Azpelicueta, 1987)	Fr	native		18.80 cm TL male/unsexed
Curimatidae	Steindachnerina brevipinna	(Eigenmann & Eigenmann, 1889)	Fr	native		22.60 cm TL male/unsexed	Known from Río Tebicuary, Río Paraguay and Lago Ypacarai.
Curimatidae	Steindachnerina conspersa	(Holmberg, 1891)	Fr	native		12.80 cm SL male/unsexed	Also Ref. 28798.	No picture yet.
Sternopygidae	Sternopygus macrurus	(Bloch & Schneider, 1801)	Fr	native		141 cm TL male/unsexed
Loricariidae	Sturisoma robustum	(Regan, 1904)	Fr	native		25.00 cm SL male/unsexed	Known from the La Plata River basin (Ref. 36389).
Synbranchidae	Synbranchus marmoratus	Bloch, 1795	Fr	native		150 cm TL male/unsexed
Characidae	Tetragonopterus argenteus	Cuvier, 1816	Fr	native		11.20 cm SL male/unsexed
Gasteropelecidae	Thoracocharax stellatus	(Kner, 1858)	Fr	native		6.70 cm SL male/unsexed	Occurs in the Río de La Plata (Ref. 28999).
Auchenipteridae	Trachelyopterus albicrux	(Berg, 1901)	Fr	native		14.00 cm TL male/unsexed	Recorded from photos of individuals between 5 and 10 cm, taken during a fishing expedition by Dirk-Peter Gärtner (pers.comm. 01/12).
Doradidae	Trachydoras paraguayensis	(Eigenmann & Ward, 1907)	Fr	native	Armado (Spanish)	19.20 cm SL male/unsexed	Known from the Paraná River (Ref. 37054).	No picture yet.
Rivulidae	Trigonectes aplocheiloides	Huber, 1995	Fr	native		10.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36579). Also Ref. 27139.	No picture yet.
Rivulidae	Trigonectes balzanii	(Perugia, 1891)	Fr	native		16.00 cm TL male/unsexed	Known from the Paraguay River basin (Ref. 36579).
Triportheidae	Triportheus nematurus	(Kner, 1858)	Fr	native		18.30 cm SL male/unsexed
Triportheidae	Triportheus pantanensis	Malabarba, 2004	Fr	native		15.80 cm SL male/unsexed	Known from rio Paraguay (Ref. 54769).	No picture yet.
Characidae	Xenurobrycon macropus	Myers & Miranda Ribeiro, 1945	Fr	native		2.00 cm SL male/unsexed	Known from the Paraguay River basin (Ref. 38597).	No picture yet.
Aspredinidae	Xyliphius barbatus	Alonso de Arámburu & Arámburu, 1962	Fr	native		9.90 cm SL male/unsexed	Known from río Paraguay (main channel), near Asuncíon, Nueva Asuncíon.	No picture yet.
Pimelodidae	Zungaro jahu	(Ihering, 1898)	Fr	questionable		140 cm SL male/unsexed
Pimelodidae	Zungaro zungaro	(Humboldt, 1821)	Fr	questionable		140 cm SL male/unsexed

Anostomidae

Abramites hypselonotus

(Günther, 1868)

Fr

native

Per-dofolha (Spanish)

14.00 cm TL male/unsexed

Museum: Río Paraná, 2 km. E of Ayolas, UMMZ 207433 (Ref. 9743).

Cichlidae

Aequidens plagiozonatus

Kullander, 1984

Fr

misidentification

10.30 cm SL male/unsexed

Known from the La Plata region (Ref. 12251). Occurrence of this species in this country is not confirmed (Ref. 36377).

Auchenipteridae

Ageneiosus inermis

(Linnaeus, 1766)

Fr

native

64.80 cm TL male/unsexed

Auchenipteridae

Ageneiosus militaris

Valenciennes, 1835

Fr

native

30.00 cm SL male/unsexed

Aspredinidae

Amaralia oviraptor

Friel & Carvalho, 2016

Fr

native

12.28 cm SL male/unsexed

Found in Paraguay River Basin (Ref. 111083).

No picture yet.

Doradidae

Anadoras weddellii

(Castelnau, 1855)

Fr

native

Iagivá (Spanish)

15.00 cm SL male/unsexed

Loricariidae

Ancistrus dubius

Eigenmann & Eigenmann, 1889

Fr

native

Pirambocaya (Not specified)

12.60 cm SL male/unsexed

No picture yet.

Loricariidae

Ancistrus hoplogenys

(Günther, 1864)

Fr

native

15.80 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 36713).

Loricariidae

Ancistrus pirareta

Muller, 1989

Fr

native

Pirambocaya (Not specified)

15.60 cm SL male/unsexed

Known from the upper Tebicuary-mi River basin in lower Paraguay River drainage (Ref. 36713).

Loricariidae

Ancistrus piriformis

Muller, 1989

Fr

native

Pirambocaya (Not specified)

8.30 cm SL male/unsexed

Known from the Acaray River basin in middle Paraná River drainage (Ref. 36713).

No picture yet.

Parodontidae

Apareiodon affinis

(Steindachner, 1879)

Fr

native

Piki (Spanish)

18.10 cm TL male/unsexed

Characidae

Aphyocharax anisitsi

Eigenmann & Kennedy, 1903

Fr

native

5.50 cm TL male/unsexed

Known from the Paraná River basin (Ref. 38382).

Characidae

Aphyocharax dentatus

Eigenmann & Kennedy, 1903

Fr

native

7.20 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 38382). Also Ref. 598.

Characidae

Aphyocharax nattereri

(Steindachner, 1882)

Fr

native

3.10 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 38382).

Characidae

Aphyocharax rathbuni

Eigenmann, 1907

Fr

native

7.10 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 38382).

Cichlidae

Apistogramma borellii

(Regan, 1906)

Fr

native

3.90 cm SL male/unsexed

Known from Paraguay River basin (Ref. 36377). Also Ref. 4537.

Cichlidae

Apistogramma commbrae

(Regan, 1906)

Fr

native

3.30 cm SL male/unsexed ;3.50 cm TL female

Cichlidae

Apistogramma trifasciata

(Eigenmann & Kennedy, 1903)

Fr

native

3.80 cm SL male/unsexed ;4.60 cm female

Known from Paraná River basin in the Paraguay River drainage (Ref. 36377). Type locality: Arroyo Chagalalina, Paraguay (Ref. 12965). Also Ref. 12251.

Apteronotidae

Apteronotus albifrons

(Linnaeus, 1766)

Fr

native

50.00 cm TL male/unsexed

Also Ref. 4537, 12225.

Cichlidae

Astronotus crassipinnis

(Heckel, 1840)

Fr

native

24.00 cm SL male/unsexed

Known from the Paraná River basin in the Paraguay drainage (Ref. 36377). Type locality: R. Paraguay, Villa Maria and Caiçara, R. Guapore near Matogrosso, Rio Negro, Rio Branco, South America (Ref. 7442).

Characidae

Astyanax asuncionensis

Géry, 1972

Fr

native

15.00 cm SL male/unsexed

Known from the Paraguay and lower Paraná River basin (Ref. 38376).

Characidae

Astyanax bimaculatus

(Linnaeus, 1758)

Fr

questionable

17.50 cm TL male/unsexed

Not in Ref. 38376, occurrence needs verification. Museum: NRM Cat. No. 42317, 41918, 42264, 42194, 42198.

Characidae

Astyanax paraguayensis

(Fowler, 1918)

Fr

native

Found in the Paraguay River basin (Ref. 38376). Type locality: Puerto Bertoni (Ref. 26282).

No picture yet.

Auchenipteridae

Auchenipterus nigripinnis

(Boulenger, 1895)

Fr

native

20.20 cm SL male/unsexed

No picture yet.

Auchenipteridae

Auchenipterus osteomystax

(Miranda Ribeiro, 1918)

Fr

native

39.00 cm TL male/unsexed ;43.00 cm TL female

Cichlidae

Australoheros facetus

(Jenyns, 1842)

Fr

misidentification

19.30 cm SL male/unsexed

Reported to occur in this country (Ref. 1739).

Cichlidae

Australoheros guarani

Říčan & Kullander, 2008

Fr

native

12.91 cm SL male/unsexed

Type locality, Caaguazú, Río Guyrau-gua, Río Paraná drainage, km 197 on road from Asunción to Stroessner, MHNG 2237.58 (holotype of Australoheros guarani, 12.91 cm SL). It is sparsely distributed in the tributaries of the High Río Paraná (Ref. 74689).

No picture yet.

Rivulidae

Austrolebias monstrosus

(Huber, 1995)

Fr

native

15.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36579).

No picture yet.

Rivulidae

Austrolebias nigripinnis

(Regan, 1912)

Fr

native

7.00 cm TL male/unsexed

Rivulidae

Austrolebias paranaensis

Costa, 2006

Fr

native

2.54 cm SL male/unsexed ;2.50 cm SL female

Type locality of Austrolebias paranaensis, temporary pools adjacent to río Paraná, about 2 kilometers east of Ayolas, Misiones. Known from río Paraná floodplains in southern Paraguay (Ref. 57612). (Ref. 57613)

No picture yet.

Rivulidae

Austrolebias patriciae

(Huber, 1995)

Fr

native

4.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36579).

Rivulidae

Austrolebias vandenbergorum

(Huber, 1995)

Fr

native

9.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36579).

Characidae

Brachychalcinus retrospina

Boulenger, 1892

Fr

native

6.90 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 598, 36891).

Hypopomidae

Brachyhypopomus beebei

(Schultz, 1944)

Fr

native

32.00 cm SL male/unsexed

Hypopomidae

Brachyhypopomus draco

Giora, Malabarba & Crampton, 2008

Fr

native

15.19 cm OT male/unsexed

Hypopomidae

Brachyhypopomus gauderio

Giora & Malabarba, 2009

Fr

native

14.90 cm SL male/unsexed

Hypopomidae

Brachyhypopomus pinnicaudatus

(Hopkins, 1991)

Fr

native

18.60 cm TL male/unsexed

Bryconidae

Brycon hilarii

(Valenciennes, 1850)

Fr

native

56.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 38504).

Characidae

Bryconamericus exodon

Eigenmann, 1907

Fr

native

5.70 cm SL male/unsexed

Recorded from Paraguay river.

No picture yet.

Characidae

Bryconamericus stramineus

Eigenmann, 1908

Fr

native

11.40 cm TL male/unsexed

Cichlidae

Bujurquina vittata

(Heckel, 1840)

Fr

native

9.00 cm SL male/unsexed

Known from the Paraná River basin in the Paraguay River drainage (Ref. 36377).

Aspredinidae

Bunocephalus doriae

Boulenger, 1902

Fr

native

8.30 cm SL male/unsexed

Callichthyidae

Callichthys callichthys

(Linnaeus, 1758)

Fr

native

21.00 cm TL male/unsexed

Achiridae

Catathyridium jenynsii

(Günther, 1862)

Fr

native

Lenguado (Spanish)

23.70 cm male/unsexed

Achiridae

Catathyridium lorentzii

(Weyenbergh, 1877)

Fr

native

Lenguado (Spanish)

5.40 cm male/unsexed

No picture yet.

Cetopsidae

Cetopsis gobioides

Kner, 1858

Fr

native

10.90 cm SL male/unsexed

Cichlidae

Chaetobranchopsis australis

Eigenmann & Ward, 1907

Fr

native

12.00 cm SL male/unsexed

Known from the Paraná River basin in the Paraguay River (Ref. 36377). Type locality: Bahia Negra, Paraguay (Ref. 12965).

Crenuchidae

Characidium etzeli

Zarske & Géry, 2001

Fr

native

5.59 cm SL male/unsexed

Known from the Paraná River basin (Ref. 37059). Type locality, 4 km from Bella Vista, ca. 50 km northeast of Encarnaçion in the direction of Rio Paraná (Ref. 46206).

No picture yet.

Crenuchidae

Characidium laterale

(Boulenger, 1895)

Fr

native

3.50 cm SL male/unsexed

Known from the Paraná River basin (Ref. 37059). Type locality: Colonia Risso, Paraguay.

Characidae

Charax condei

(Géry & Knöppel, 1976)

Fr

misidentification

5.38 cm SL male/unsexed

Probably a misidentification.

No picture yet.

Characidae

Charax leticiae

Lucena, 1987

Fr

native

10.00 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 36811).

Characidae

Charax stenopterus

(Cope, 1894)

Fr

native

9.40 cm SL male/unsexed

Cichlidae

Cichla piquiti

Kullander & Ferreira, 2006

Fr

introduced

48.00 cm TL male/unsexed ;38.50 cm TL female

Translocated in Rio Limoy, Reserva Limoy de Itaipú, Rio Paraná drainage (Ref. 57716).

Cichlidae

Cichlasoma bimaculatum

(Linnaeus, 1758)

Fr

misidentification

12.30 cm SL male/unsexed ;30.00 cm TL female

Reported from this country (Ref. 1672, 7020). Occurrence of the species in the country is not confirmed (Ref. 36377).

Cichlidae

Cichlasoma dimerus

(Heckel, 1840)

Fr

native

11.70 cm SL male/unsexed

Known from the Paraná River basin, in the Paraguay River drainage (Ref. 36377).

Cichlidae

Cichlasoma pusillum

Kullander, 1983

Fr

endemic

6.60 cm SL male/unsexed

Known from the Acaray River in the Paraná River basin (Ref. 36377). Type locality: Puerto Palma, Río Paraná system, Alto Paraná, Paraguay (Ref. 12965).

No picture yet.

Poeciliidae

Cnesterodon raddai

Meyer & Etzel, 2001

Fr

native

2.32 cm SL male/unsexed

Callichthyidae

Corydoras aeneus

(Gill, 1858)

Fr

native

7.50 cm SL male/unsexed

Callichthyidae

Corydoras aurofrenatus

Eigenmann & Kennedy, 1903

Fr

native

Known from the Paraguay River basin (Ref. 37395).

Callichthyidae

Corydoras diphyes

Axenrot & Kullander, 2003

Fr

native

4.48 cm SL male/unsexed

Found only in tributaries of río Monday and río Acaray, ringht bank tributaries of río Paraná (Ref. 52874).

Callichthyidae

Corydoras ellisae

Gosline, 1940

Fr

native

5.00 cm SL male/unsexed

Found in mountain rills at Arroyo Pona, Sapucay (Rio Paraguay system near Asuncion) (Ref. 26041).

Callichthyidae

Corydoras hastatus

Eigenmann & Eigenmann, 1888

Fr

native

2.40 cm SL male/unsexed

Based on photo.

Callichthyidae

Corydoras paleatus

(Jenyns, 1842)

Fr

questionable

6.60 cm SL male/unsexed ;7.10 cm SL female

Occurrence needs further confirmation, not in Ref. 129023. Reported from Ref. 37395.

Characidae

Creagrutus meridionalis

Vari & Harold, 2001

Fr

native

11.00 cm SL male/unsexed

Found in the Paraguay River (Ref. 38376).

Characidae

Creagrutus paraguayensis

Mahnert & Géry, 1988

Fr

native

5.80 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 38376). Found in the Rio Azotey near mouth of Rio Ypané, Conception Province (Ref. 27116).

No picture yet.

Cichlidae

Crenicichla gillmorlisi

Kullander & Lucena, 2013

Fr

native

17.43 cm SL male/unsexed

Known from the río Acaray drainage (Ref. 93325).

No picture yet.

Cichlidae

Crenicichla lepidota

Heckel, 1840

Fr

native

20.90 cm TL male/unsexed

Known from the Paraguay River drainage and lower Paraná (Ref. 36377).

Cichlidae

Crenicichla mandelburgeri

Kullander, 2009

Fr

native

20.80 cm SL male/unsexed ;8.25 cm SL female

Type locality, Itapúa: Arroyo Tembey above falls,1-3 Nov. 1982, MHNG 2691 (holotype of Crenicichla mandelburgeri, 8.25 cm SL, female). Known from the streams Tembey, Pirayuy, Pirapó and Poromoco, Paraguayan tributaries to the Paraná River (Ref. 80386).

Cichlidae

Crenicichla niederleinii

(Holmberg, 1891)

Fr

native

23.50 cm SL male/unsexed

Known from the Paraná River basin (Ref. 36377).

Cichlidae

Crenicichla semifasciata

(Heckel, 1840)

Fr

native

17.66 cm SL male/unsexed

Known from the Paraguay River, Paraná River basin in the (Ref. 36377).

No picture yet.

Cichlidae

Crenicichla vittata

Heckel, 1840

Fr

native

31.00 cm TL male/unsexed

Known from the Paraguay River, Paraná River basin (Ref. 36377). Type locality: Flusse Cuyaba; Flusse Paraguay; Caiçara (Ref. 26688).

Characidae

Ctenobrycon alleni

(Eigenmann & McAtee, 1907)

Fr

native

9.00 cm SL male/unsexed

Known from the Paraguay River (Ref. 38376).

No picture yet.

Curimatidae

Curimatella dorsalis

(Eigenmann & Eigenmann, 1889)

Fr

native

14.90 cm TL male/unsexed

Known from Rio Paraguay (Ref. 28798). Also Ref. 38013.

Curimatidae

Curimatopsis myersi

Vari, 1982

Fr

native

4.35 cm SL male/unsexed

Known from Paraguay River basin (Ref. 38013). Type locality, swamp, 3 km northwest of Lima, San Pedro Department, Paraguay, ca. 23°55'S, 56°29'W (Ref. 26282).

No picture yet.

Characidae

Cynopotamus argenteus

(Valenciennes, 1836)

Fr

native

29.50 cm SL male/unsexed

Characidae

Cynopotamus kincaidi

(Schultz, 1950)

Fr

native

31.50 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36811).

No picture yet.

Curimatidae

Cyphocharax gillii

(Eigenmann & Kennedy, 1903)

Fr

native

10.00 cm SL male/unsexed

Found in the rivers of Concepcion, San Pedro, Misiones, Paraguari, and Cordillera states (Ref. 11334). Also Ref. 38013.

Curimatidae

Cyphocharax modestus

(Fernández-Yépez, 1948)

Fr

native

16.20 cm SL male/unsexed

Museum: Caaguazu, Arroyo Yuquyry, USNM 295930; MHNG uncat. (Ref. 11334).

No picture yet.

Curimatidae

Cyphocharax platanus

(Günther, 1880)

Fr

native

13.40 cm SL male/unsexed

Museum: USNM 55661. Asuncion Bay, USNM 295978 (Ref. 11334).

No picture yet.

Curimatidae

Cyphocharax saladensis

(Meinken, 1933)

Fr

native

9.80 cm TL male/unsexed

Museum: Candendiyu: Rio Carapa, USNM 247310. San Pedro, Arroyo Pindo, UMMZ 206838. Concepcion, Rio Ypane system, UMMZ 207752 (Ref. 11334).

Curimatidae

Cyphocharax spilotus

(Vari, 1987)

Fr

native

10.40 cm TL male/unsexed

Known from Caaguazu, Cordillera, and San Pedro (Ref. 11334).

No picture yet.

Curimatidae

Cyphocharax voga

(Hensel, 1870)

Fr

native

26.30 cm TL male/unsexed

Known from Central and Paraguari (Ref. 11334).

Cyprinidae

Cyprinus carpio

Linnaeus, 1758

Fr, Aq

introduced

120 cm TL male/unsexed

Characidae

Deuterodon luetkenii

(Boulenger, 1887)

Fr

native

9.60 cm TL male/unsexed

Found in the Paraguay River basin (Ref. 38376).

Characidae

Diapoma guarani

(Mahnert & Géry, 1987)

Fr

native

3.05 cm SL male/unsexed

Type locality of Diapoma guarani, Alto Paraná, Rio Paraná at Puerto Bertoni (Ref. 119400). Also Ref. 27925.

No picture yet.

Sternopygidae

Eigenmannia trilineata

López & Castello, 1966

Fr

native

25.00 cm TL male/unsexed

Sternopygidae

Eigenmannia virescens

(Valenciennes, 1836)

Fr

native

44.00 cm SL male/unsexed

Auchenipteridae

Epapterus dispilurus

Cope, 1878

Fr

native

15.40 cm SL male/unsexed

Known from the Rio Paraguay system (Ref. 37098).

No picture yet.

Loricariidae

Farlowella hahni

Meinken, 1937

Fr

native

20.10 cm SL male/unsexed

Known from the Paraná River basin (Ref. 36389).

Loricariidae

Farlowella paraguayensis

Retzer & Page, 1997

Fr

native

17.50 cm SL male/unsexed

Found in the Paraguay River (Ref. 36389).

Characidae

Galeocharax humeralis

(Valenciennes, 1834)

Fr

native

30.60 cm TL male/unsexed

No picture yet.

Characidae

Gymnocorymbus ternetzi

(Boulenger, 1895)

Fr

misidentification

7.50 cm SL male/unsexed

Probably a misidentification.

Cichlidae

Gymnogeophagus balzanii

(Perugia, 1891)

Fr

native

12.00 cm SL male/unsexed

Known from the Paraguay drainage of the Paraná River basin (Ref. 36377).

Cichlidae

Gymnogeophagus caaguazuensis

Staeck, 2006

Fr

native

8.63 cm SL male/unsexed

Type locality, upper río Tebicuary-mi, tributary to río Tebicuary (drainage of the lower río Paraguay), at ruta No. 7 approx. 25 km east of Cnel. Oviedo in the province of Caaguazú, MTD F 30367 (holotype of Gymnogeophagus caaguazuensis, 8.48 cm SL, male) (Ref. 78439).

No picture yet.

Cichlidae

Gymnogeophagus jaryi

Alonso, Terán, Aguilera, Říčan, Casciotta, Serra, Almirón, Benítez et al., 2019

Fr

native

13.26 cm SL male/unsexed

Known from Manduviyú, Pirapó and Ype Curú basins (Ref. 119666).

No picture yet.

Cichlidae

Gymnogeophagus rhabdotus

(Hensel, 1870)

Fr

misidentification

12.00 cm SL male/unsexed

Reported from the country (Ref. 4537). Occurrence in the country is not confirmed (Ref. 36377).

Cichlidae

Gymnogeophagus setequedas

Reis, Malabarba & Pavanelli, 1992

Fr

native

9.80 cm SL male/unsexed

Known from the Paraná River basin (Ref. 36377). Type locality: Río Iguazú reservoir at Juan E. O'Leary, Rio Paraná drainage, Province of Alto Paraná, Paraguay, ca. 55°30'S, 25°20'W (Ref. 36377). Also Ref. 12251.

No picture yet.

Rhamphichthyidae

Gymnorhamphichthys britskii

Carvalho, Ramos & Albert, 2011

Fr

native

18.00 cm SL male/unsexed

No picture yet.

Rhamphichthyidae

Gymnorhamphichthys rondoni

(Miranda Ribeiro, 1920)

Fr

native

15.00 cm TL male/unsexed

Found in the Paraná River basin (Ref. 36685).

Gymnotidae

Gymnotus carapo

Linnaeus, 1758

Fr

native

76.00 cm TL male/unsexed

Also Ref. 4537.

Gymnotidae

Gymnotus cuia

Craig, Malabarba, Crampton & Albert, 2018

Fr

native

30.50 cm TL male/unsexed

Known from the Paraná River basin (Ref. 118108).

No picture yet.

Gymnotidae

Gymnotus inaequilabiatus

(Valenciennes, 1839)

Fr

native

99.80 cm TL male/unsexed

Not in Ref. 36692.

Gymnotidae

Gymnotus pantanal

Fernandes, Albert, Daniel-Silva, Lopes, Crampton & Almeida-Toledo, 2005

Fr

native

26.00 cm TL male/unsexed

Gymnotidae

Gymnotus paraguensis

Albert & Crampton, 2003

Fr

native

24.00 cm SL male/unsexed

Recorded from Río Itapua (Ref. 49716). Type locality: Itapua, Arroyo Tembey, 7.4 km SW of San Rafael, Río Parana drainage (Ref. 49716).

Characidae

Hemigrammus durbinae

Ota, Lima & Pavanelli, 2015

Fr

native

2.80 cm SL male/unsexed

Known from rio Paraguai and rio Paraná basins (Ref. 101340).

No picture yet.

Characidae

Hemigrammus lunatus

Durbin, 1918

Fr

native

4.80 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 96864).

No picture yet.

Characidae

Hemigrammus mahnerti

Uj & Géry, 1989

Fr

native

2.75 cm SL male/unsexed

No picture yet.

Characidae

Hemigrammus marginatus

Ellis, 1911

Fr

misidentification

4.50 cm SL male/unsexed

Occurrence in the country not confirmed by F.C.T. Lima and O.T. Oyakawa.

Characidae

Hemigrammus tridens

Eigenmann, 1907

Fr

native

2.00 cm SL male/unsexed

Hemiodontidae

Hemiodus orthonops

Eigenmann & Kennedy, 1903

Fr

native

31.00 cm TL male/unsexed ;34.20 cm TL female

Hemiodontidae

Hemiodus semitaeniatus

Kner, 1858

Fr

native

20.00 cm SL male/unsexed

Pimelodidae

Hemisorubim platyrhynchos

(Valenciennes, 1840)

Fr

native

61.00 cm TL female

Heptapteridae

Heptapterus mustelinus

(Valenciennes, 1835)

Fr

native

26.00 cm SL male/unsexed

Known from riò Acaray, afluente del Rìo Paranà. Dept. Alto Paranà (,Walter Gill Morlis - wgillmor@itaipu.gov.py, pers.comm. 01/09).

Trichomycteridae

Homodiaetus anisitsi

Eigenmann & Ward, 1907

Fr

native

4.90 cm TL male/unsexed

Type locality: Villa Rica, Paraguay (Ref. 26282, 6868).

No picture yet.

Erythrinidae

Hoplias malabaricus

(Bloch, 1794)

Fr

native

65.00 cm TL male/unsexed

Callichthyidae

Hoplosternum littorale

(Hancock, 1828)

Fr

native

26.30 cm TL male/unsexed

Characidae

Hyphessobrycon arianae

Uj & Géry, 1989

Fr

native

2.40 cm SL male/unsexed

No picture yet.

Characidae

Hyphessobrycon elachys

Weitzman, 1984

Fr

native

2.00 cm SL male/unsexed

Known from the Paraguay River (Ref. 38376).

Characidae

Hyphessobrycon eques

(Steindachner, 1882)

Fr

native

4.00 cm SL male/unsexed

Recorded from Concepcion.

Characidae

Hyphessobrycon procerus

Mahnert & Géry, 1987

Fr

native

3.30 cm SL male/unsexed

Museum: Río Guyrau-gua at Ltr. Juan M. Frutos, Departo. Caaguazu, MZUSP 38400 (Ref. 27925).

No picture yet.

Characidae

Hyphessobrycon pytai

Géry & Mahnert, 1993

Fr

native

3.80 cm SL male/unsexed

Type locality: Caaguazu, small trib. of Río Güyraugua, near Juan Frutos, Río Monday basin (Parana), Paraguay.

No picture yet.

Loricariidae

Hypoptopoma inexspectatum

(Holmberg, 1893)

Fr

native

7.10 cm SL male/unsexed

Known from Alto Paraguay, Amambay, Central, Conception, Presidente Hayes and San Pedro (Ref. 84367).

Loricariidae

Hypostomus albopunctatus

(Regan, 1908)

Fr

questionable

40.00 cm SL male/unsexed

No picture yet.

Loricariidae

Hypostomus boulengeri

(Eigenmann & Kennedy, 1903)

Fr

native

Pirá tatu (Guarani), Cascarudo (Spanish), Guaimingué (Guarani)

24.50 cm SL male/unsexed

Loricariidae

Hypostomus cochliodon

Kner, 1854

Fr

native

23.00 cm SL male/unsexed

Loricariidae

Hypostomus commersoni

Valenciennes, 1836

Fr

native

60.50 cm TL male/unsexed

Loricariidae

Hypostomus derbyi

(Haseman, 1911)

Fr

questionable

31.00 cm SL male/unsexed

No picture yet.

Loricariidae

Hypostomus dlouhyi

Weber, 1985

Fr

native

Cascarudo (Portuguese)

24.50 cm SL male/unsexed

No picture yet.

Loricariidae

Hypostomus itacua

Valenciennes, 1836

Fr

questionable

11.00 cm TL male/unsexed

No picture yet.

Loricariidae

Hypostomus latifrons

Weber, 1986

Fr

native

Cascarudo (Spanish)

28.70 cm SL male/unsexed

Loricariidae

Hypostomus latirostris

(Regan, 1904)

Fr

native

Cascarudo (Spanish)

26.00 cm TL male/unsexed

No picture yet.

Loricariidae

Hypostomus margaritifer

(Regan, 1908)

Fr

questionable

33.00 cm TL male/unsexed

Loricariidae

Hypostomus microstomus

Weber, 1987

Fr

native

Pirá tatu (Guarani), Cascarudo (Spanish), Guaimingué (Guarani)

24.00 cm SL male/unsexed

No picture yet.

Loricariidae

Hypostomus paranensis

Weyenbergh, 1877

Fr

native

No picture yet.

Loricariidae

Hypostomus paulinus

(Ihering, 1905)

Fr

questionable

13.50 cm SL male/unsexed

No picture yet.

Loricariidae

Hypostomus piratatu

Weber, 1986

Fr

native

27.50 cm SL male/unsexed

No picture yet.

Loricariidae

Hypostomus regani

(Ihering, 1905)

Fr

native

Cascarudo (Spanish)

41.00 cm SL male/unsexed

Loricariidae

Hypostomus ternetzi

(Boulenger, 1895)

Fr

native

Pirá tatu (Guarani), Cascarudo (Spanish), Guaimingué (Guarani)

34.30 cm TL male/unsexed

Type locality (Ref. 6868).

Pimelodidae

Iheringichthys labrosus

(Lütken, 1874)

Fr

native

43.50 cm TL female

Pimelodidae

Iheringichthys megalops

Eigenmann & Ward, 1907

Fr

endemic

Type locality: Bahia Negra, Rio Paraguay (Ref. 26282, 6868).

No picture yet.

Characidae

Knodus moenkhausii

(Eigenmann & Kennedy, 1903)

Fr

native

4.50 cm TL male/unsexed

Found in the Paraguay River basin (Ref. 38376).

Cichlidae

Laetacara dorsigera

(Heckel, 1840)

Fr

native

Cará-bobo (Spanish)

6.00 cm SL male/unsexed

Known from the Paraná River basin in the Paraguay River drainage (Ref. 36377).

Lepidosirenidae

Lepidosiren paradoxa

Fitzinger, 1837

Fr

native

125 cm TL male/unsexed

Recorded from the Gran Chaco (Ref. 12225). Also Ref. 36887.

Anostomidae

Leporellus vittatus

(Valenciennes, 1850)

Fr

native

30.00 cm SL male/unsexed

Anostomidae

Leporinus striatus

Kner, 1858

Fr

native

25.00 cm TL male/unsexed

Callichthyidae

Lepthoplosternum pectorale

(Boulenger, 1895)

Fr

native

6.03 cm SL male/unsexed

Recorded from the Rio Paraguay (Ref. 26144). Also Ref. 37395, 56211.

Loricariidae

Loricaria apeltogaster

Boulenger, 1895

Fr

native

32.40 cm SL male/unsexed

Known from Rio Paraguay (Ref. 6868).

No picture yet.

Loricariidae

Loricaria luciae

Thomas, Rodriguez, Carvallaro, Froehlich & Macedo Corrêa e Castro, 2013

Fr

native

18.91 cm SL male/unsexed

Known from the rio Paraguay basin (Ref. 94550).

Loricariidae

Loricaria simillima

Regan, 1904

Fr

native

26.40 cm SL male/unsexed

Loricariidae

Loricariichthys labialis

(Boulenger, 1895)

Fr

native

22.00 cm SL male/unsexed

No picture yet.

Loricariidae

Loricariichthys platymetopon

Isbrücker & Nijssen, 1979

Fr

native

38.30 cm TL male/unsexed ;39.00 cm TL female

Loricariidae

Loricariichthys rostratus

Reis & Pereira, 2000

Fr

native

27.50 cm SL male/unsexed

Known from the Paraná River (Ref. 36389).

Pimelodidae

Luciopimelodus pati

(Valenciennes, 1835)

Fr

native

103 cm TL male/unsexed

Characidae

Markiana nigripinnis

(Perugia, 1891)

Fr

native

10.40 cm SL male/unsexed

Loricariidae

Megalancistrus parananus

(Peters, 1881)

Fr

native

58.80 cm SL male/unsexed

Callichthyidae

Megalechis thoracata

(Valenciennes, 1840)

Fr

native

15.50 cm SL male/unsexed

Recorded from Lower Parana (Ref. 95882).

Anostomidae

Megaleporinus obtusidens

(Valenciennes, 1837)

Fr

native

76.00 cm TL male/unsexed

Known from the Paraná and Paraguay River basins (Ref. 93038).

Pimelodidae

Megalonema pauciradiatum

Eigenmann, 1919

Fr

endemic

3.80 cm SL male/unsexed

Known from Paraná River basin (Ref. 36506). Found in Vila Rica (=Villarrica?) (Ref. 6868).

No picture yet.

Pimelodidae

Megalonema platanum

(Günther, 1880)

Fr

native

40.00 cm SL male/unsexed

Known from Paraná River basin (Ref. 36506).

Rivulidae

Melanorivulus punctatus

(Boulenger, 1895)

Fr

native

3.50 cm TL male/unsexed

Cichlidae

Mesonauta festivus

(Heckel, 1840)

Fr

native

12.10 cm SL male/unsexed

Known from the Paraná River basin in the Paraguay River drainage (Ref. 36377).

Serrasalmidae

Metynnis maculatus

(Kner, 1858)

Fr, Fi

questionable

18.00 cm TL male/unsexed

Probably a misidentification (Ref. 34077).

Serrasalmidae

Metynnis mola

Eigenmann & Kennedy, 1903

Fr

native

15.00 cm TL male/unsexed

Type locality: Arroyo Trementina, Paraguay.

Serrasalmidae

Metynnis otuquensis

Ahl, 1923

Fr

native

8.70 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 39031).

Pseudopimelodidae

Microglanis carlae

Vera Alcaraz, da Graça & Shibatta, 2008

Fr

native

3.41 cm SL male/unsexed

Found in the arroyo Yacaré, left bank tributary of río Tebicuary, and río Salado, left bank tributary of río Paraguay, río Paraguay basin (Ref. 79079).

No picture yet.

Characidae

Mimagoniates barberi

Regan, 1907

Fr

native

3.45 cm SL male/unsexed

Occurs usually in blackwater streams of Estado Paraguay and San Pedro (Ref. 38597). Type locality, central and southern (Ref. 30267).

No picture yet.

Characidae

Mixobrycon ribeiroi

(Eigenmann, 1907)

Fr

native

3.50 cm SL male/unsexed

Found in the Paraguay River basin (Ref. 38376).

No picture yet.

Characidae

Moenkhausia australis

Eigenmann, 1908

Fr

native

3.76 cm SL male/unsexed

Recorded from arroyo Trementina, rio Paraná; also arroyo Chagalalina (Ref. 104871).

No picture yet.

Characidae

Moenkhausia dichroura

(Kner, 1858)

Fr

native

10.00 cm SL male/unsexed

Characidae

Moenkhausia intermedia

Eigenmann, 1908

Fr

native

8.00 cm SL male/unsexed

Paraguay river.

Characidae

Moenkhausia sanctaefilomenae

(Steindachner, 1907)

Fr

native

7.00 cm SL male/unsexed

Serrasalmidae

Myloplus levis

(Eigenmann & McAtee, 1907)

Fr

native

20.00 cm SL male/unsexed

No picture yet.

Serrasalmidae

Myloplus tiete

(Eigenmann & Norris, 1900)

Fr

native

16.30 cm SL male/unsexed

No picture yet.

Serrasalmidae

Mylossoma duriventre

(Cuvier, 1818)

Fr

native

25.00 cm SL male/unsexed

Rivulidae

Neofundulus ornatipinnis

Myers, 1935

Fr

native

7.00 cm TL male/unsexed

Known from the Paraguay River (Ref. 36579).

No picture yet.

Rivulidae

Neofundulus paraguayensis

(Eigenmann & Kennedy, 1903)

Fr

native

7.00 cm TL male/unsexed

Known from the Paraguay River (Ref. 36579).

Characidae

Odontostilbe paraguayensis

Eigenmann & Kennedy, 1903

Fr

native

4.00 cm SL male/unsexed

Recorded from Rio Paraguay.

No picture yet.

Characidae

Odontostilbe pequira

(Steindachner, 1882)

Fr

native

5.60 cm SL male/unsexed

Characidae

Oligosarcus oligolepis

(Steindachner, 1867)

Fr

native

26.20 cm SL male/unsexed

No picture yet.

Characidae

Oligosarcus paranensis

Menezes & Géry, 1983

Fr

native

20.50 cm SL male/unsexed ;16.00 cm SL female

Characidae

Oligosarcus pintoi

Amaral Campos, 1945

Fr

native

8.80 cm SL male/unsexed

Found in the Paraná River (Ref. 38376).

Doradidae

Ossancora eigenmanni

(Boulenger, 1895)

Fr

native

15.20 cm SL male/unsexed

Loricariidae

Otocinclus mimulus

Axenrot & Kullander, 2003

Fr

native

4.27 cm SL male/unsexed

Found in tributaries of río Monday, a right bank tributary of the río Paraná (Ref. 52874).

No picture yet.

Loricariidae

Otocinclus vestitus

Cope, 1872

Fr

native

3.20 cm SL male/unsexed

Loricariidae

Otocinclus vittatus

Regan, 1904

Fr

native

3.30 cm TL male/unsexed

Loricariidae

Otothyropsis dialeukos

Calegari, Morlis & Reis, 2017

Fr

native

3.58 cm SL male/unsexed

Found in the Arroyo Itá, a tributary to the Embalse de Acaray, upper Río Paraná basin (Ref. 116501).

No picture yet.

Loricariidae

Otothyropsis piribebuy

Calegari, Lehmann A. & Reis, 2011

Fr

native

2.88 cm SL male/unsexed

Found in two localities on the left tributaries to the río Paraguay, the río Piribebuy near Eusébio Ayala, Cordillera and the río Aguaray near Lima, San Pedro (Ref. 87312).

Doradidae

Oxydoras kneri

Bleeker, 1862

Fr

native

Itagua-pochih (Not specified)

70.00 cm TL male/unsexed

Found in Paraná River (Ref. 37054).

Rivulidae

Papiliolebias bitteri

(Costa, 1989)

Fr

native

5.00 cm TL male/unsexed

Known from the Paraguay River (Ref. 36579). Also Ref. 27139.

Loricariidae

Paraloricaria agastor

Isbrücker, 1979

Fr

native

10.80 cm SL male/unsexed

Known from the Paraguay River (Ref. 36389).

No picture yet.

Pimelodidae

Parapimelodus valenciennis

(Lütken, 1874)

Fr

native

24.00 cm SL male/unsexed

Known from the Paraná River basin (Ref. 36506).

Trichomycteridae

Paravandellia oxyptera

Miranda Ribeiro, 1912

Fr

native

Sumbichuga (Spanish), Pantanal parasitic catfish (English), Paraguay River candiru (English)

2.80 cm NG male/unsexed

Type locality: Asuncion, Paraguay basin (Ref. 6868).

Parodontidae

Parodon carrikeri

Fowler, 1940

Fr

native

14.70 cm SL male/unsexed

Recorded from the upper Rio Paraguay (Ref. 598).

No picture yet.

Parodontidae

Parodon nasus

Kner, 1859

Fr

native

12.70 cm SL male/unsexed

Poeciliidae

Phalloceros caudimaculatus

(Hensel, 1868)

Fr

native

3.50 cm SL male/unsexed ;6.00 cm TL female

Also Ref. 1739.

Poeciliidae

Phalloceros harpagos

Lucinda, 2008

Fr

native

3.41 cm SL male/unsexed ;4.68 cm SL female

Known from rio Parana-Paraguay basins (Ref. 76852).

Poeciliidae

Phalloptychus januarius

(Hensel, 1868)

Fr

native

2.50 cm SL male/unsexed ;4.00 cm female

Poeciliidae

Phallotorynus dispilos

Lucinda, Rosa & Reis, 2005

Fr

native

1.81 cm SL male/unsexed ;2.53 cm SL female

Type locality, creek crossing road from Colonia Sommerfield to Repatriación, district of Pueblo de Dios, Caaguazú, MNHNP 4620 (holotype of Phallotorynus dispilos, 1.81 cm SL, male). Occurs in the middle portions of Rio Parana drainage in Departamento de Caaguazu (Ref. 56059).

No picture yet.

Poeciliidae

Phallotorynus jucundus

Ihering, 1930

Fr

questionable

2.50 cm SL male/unsexed ;3.00 cm female

Outside distributional range, occurrence needs further confirmation.

No picture yet.

Poeciliidae

Phallotorynus psittakos

Lucinda, Rosa & Reis, 2005

Fr

native

Piky (Spanish)

1.81 cm SL male/unsexed ;2.39 cm SL female

Type locality, arroyo Clementina, east of Santa Rosa, San Pedro, MNHNP 4621 (holotype of Phallotorynus psittakos, 1.59 cm SL, male). Known from the lower portions of the Rio Paraguay drainage in Departamentos Central, Misiones and San Pedro (Ref. 56059).

No picture yet.

Poeciliidae

Phallotorynus victoriae

Oliveros, 1983

Fr

native

Piky (Not specified)

2.30 cm SL male/unsexed

Known from lower and middle Paraná River drainage in Caaguazú, Misiones and Alto Paraná Departments (Ref. 50894).

No picture yet.

Characidae

Phenacogaster tegatus

(Eigenmann, 1911)

Fr

native

3.50 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 36811).

Characidae

Piabarchus analis

(Eigenmann, 1914)

Fr

native

4.90 cm SL male/unsexed

No picture yet.

Characidae

Piabarchus torrenticola

Mahnert & Géry, 1988

Fr

native

7.70 cm SL male/unsexed

Also Ref. 42679.

No picture yet.

Characidae

Piabina argentea

Reinhardt, 1867

Fr

native

7.30 cm SL male/unsexed

Iguanodectidae

Piabucus melanostoma

Holmberg, 1891

Fr

native

11.50 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 38383).

No picture yet.

Serrasalmidae

Piaractus mesopotamicus

(Holmberg, 1887)

Fr

native

40.50 cm SL male/unsexed

Heptapteridae

Pimelodella griffini

Eigenmann, 1917

Fr

native

8.80 cm TL male/unsexed

Known from Paraguay River basin (Ref. 36914). Type locality: Near Sapucay, Paraguay (Ref. 26282, 6868).

No picture yet.

Heptapteridae

Pimelodella laticeps

Eigenmann, 1917

Fr

native

11.70 cm SL male/unsexed

Found in the lower Paraguay River basin (Ref. 36914). Known from Sapucay River (Ref. 6868).

Heptapteridae

Pimelodella mucosa

Eigenmann & Ward, 1907

Fr

endemic

13.50 cm SL male/unsexed

Known from Paraguay River basin (Ref. 36914). Type locality: Bahia Negra, Río Paraguay (Ref. 26282, 6868).

No picture yet.

Heptapteridae

Pimelodella parva

Güntert, 1942

Fr

endemic

2.80 cm TL male/unsexed

Type locality: Río Paraguay, Paraguay (Ref. 26282, 6868, 36914).

No picture yet.

Pimelodidae

Pimelodus ornatus

Kner, 1858

Fr

native

38.50 cm SL male/unsexed

Pimelodidae

Pinirampus pirinampu

(Spix & Agassiz, 1829)

Fr, Sp

native

120 cm TL male/unsexed

Utilized as a game fish (Ref. 6323).

Sciaenidae

Plagioscion ternetzi

Boulenger, 1895

Fr

native

Corvina (Spanish)

39.00 cm SL male/unsexed

Type locality: Remanso, Rio Grande, Paraguay, BMNH 1895.5.17.1-2 (syntypes of Plagioscion ternetzi) (Ref. 36888).

Doradidae

Platydoras armatulus

(Valenciennes, 1840)

Fr

native

Itagwa (Not specified)

43.00 cm SL male/unsexed

Known from the Paraná River (Ref. 37054).

Characidae

Poptella paraguayensis

(Eigenmann, 1907)

Fr

native

10.20 cm SL male/unsexed

Curimatidae

Potamorhina squamoralevis

(Braga & Azpelicueta, 1983)

Fr

native

23.40 cm SL male/unsexed

Known from Rio Paraguay and Paraná drainage basins.

No picture yet.

Belonidae

Potamorrhaphis eigenmanni

Miranda Ribeiro, 1915

Fr

native

22.80 cm SL male/unsexed

Paraguay River.

Potamotrygonidae

Potamotrygon brachyura

(Günther, 1880)

Fr

native

95.00 cm WD male/unsexed

No picture yet.

Potamotrygonidae

Potamotrygon falkneri

Castex & Maciel, 1963

Fr

native

Raya (Spanish)

60.00 cm WD male/unsexed

Also Ref. 38803.

Potamotrygonidae

Potamotrygon motoro

(Müller & Henle, 1841)

Fr

native

50.00 cm WD male/unsexed

Potamotrygonidae

Potamotrygon schuhmacheri

Castex, 1964

Fr

native

Raya (Spanish)

25.00 cm WD male/unsexed

No picture yet.

Characidae

Prionobrama paraguayensis

(Eigenmann, 1914)

Fr

native

5.00 cm TL male/unsexed

Prochilodontidae

Prochilodus lineatus

(Valenciennes, 1837)

Fr

native

Sábalo (Spanish)

80.00 cm TL male/unsexed

Characidae

Psalidodon anisitsi

(Eigenmann, 1907)

Fr

native

13.20 cm TL male/unsexed

Characidae

Psalidodon eigenmanniorum

(Cope, 1894)

Fr

native

14.40 cm TL male/unsexed

No picture yet.

Characidae

Psalidodon pellegrini

(Eigenmann, 1907)

Fr

native

8.00 cm SL male/unsexed

Type locality: Paraguay basin and Bahia Negra (Ref. 46206).

No picture yet.

Characidae

Psalidodon rutilus

(Jenyns, 1842)

Fr

native

6.99 cm SL male/unsexed

Probably most of the Paraguayan records of A. fasciatus can be assigned to A. rutilus (Mirande, pers.comm.); the former considered not present in Paraguay (Ref. 121237).

No picture yet.

Curimatidae

Psectrogaster curviventris

Eigenmann & Kennedy, 1903

Fr

native

17.10 cm SL male/unsexed

Type locality, Asuncion, Río Paraguay, Paraguay (Ref. 26282).

No picture yet.

Characidae

Psellogrammus kennedyi

(Eigenmann, 1903)

Fr

native

5.90 cm SL male/unsexed

Aspredinidae

Pseudobunocephalus iheringii

(Boulenger, 1891)

Fr

native

6.30 cm TL male/unsexed

No picture yet.

Aspredinidae

Pseudobunocephalus rugosus

(Eigenmann & Kennedy, 1903)

Fr

native

3.00 cm SL male/unsexed

No picture yet.

Loricariidae

Pseudohemiodon laticeps

(Regan, 1904)

Fr

native

29.80 cm SL male/unsexed

Pseudopimelodidae

Pseudopimelodus mangurus

(Valenciennes, 1835)

Fr

native

69.00 cm TL male/unsexed

Pimelodidae

Pseudoplatystoma corruscans

(Spix & Agassiz, 1829)

Fr, Sp

native

182 cm TL male/unsexed

Known from Paraná River basin (Ref. 36506). Also Ref. 6323.

Pimelodidae

Pseudoplatystoma fasciatum

(Linnaeus, 1766)

Fr

questionable

105 cm SL male/unsexed

Pimelodidae

Pseudoplatystoma reticulatum

Eigenmann & Eigenmann, 1889

Fr

native

60.50 cm SL male/unsexed

Aspredinidae

Pterobunocephalus depressus

(Haseman, 1911)

Fr

native

8.90 cm SL male/unsexed

Doradidae

Pterodoras granulosus

(Valenciennes, 1821)

Fr

native

Itagivá (Spanish)

68.00 cm SL male/unsexed ;90.10 cm SL female

Rivulidae

Pterolebias longipinnis

Garman, 1895

Fr

native

12.00 cm TL male/unsexed

Loricariidae

Pterygoplichthys ambrosettii

(Holmberg, 1893)

Fr

native

Guaimingué (Guarani)

54.90 cm TL male/unsexed ;55.00 cm TL female

Known from Rio Paraguay (Ref. 58032).

Serrasalmidae

Pygocentrus nattereri

Kner, 1858

Fr

native

50.00 cm SL male/unsexed

Lebiasinidae

Pyrrhulina australis

Eigenmann & Kennedy, 1903

Fr

native

5.00 cm SL male/unsexed

Heptapteridae

Rhamdia quelen

(Quoy & Gaimard, 1824)

Fr

native

Ñurundiá (Spanish)

61.00 cm TL male/unsexed

Occurs in Riactis Canâwé, Dept. de Ita, Paraguay (Ref. 26282).

Cynodontidae

Rhaphiodon vulpinus

Spix & Agassiz, 1829

Fr

native

Pirayagua (Spanish)

80.00 cm SL male/unsexed

Loricariidae

Rhinelepis strigosa

Valenciennes, 1840

Fr

native

48.00 cm SL male/unsexed

Doradidae

Rhinodoras dorbignyi

(Kner, 1855)

Fr

native

50.00 cm TL male/unsexed

Known from the Paraná River (Ref. 37054).

Loricariidae

Rineloricaria aurata

(Knaack, 2003)

Fr

native

No picture yet.

Loricariidae

Rineloricaria fallax

(Steindachner, 1915)

Fr

misidentification

15.70 cm SL male/unsexed

Occurrence in this country not confirmed by C.J. Ferraris; probably a misidentification.

Loricariidae

Rineloricaria parva

(Boulenger, 1895)

Fr

native

11.00 cm SL male/unsexed

Known from Alto Raraguay, Riacho Celina (Ref. 40941)

Characidae

Roeboides descalvadensis

Fowler, 1932

Fr

native

Dientudo (Spanish), Parana scale-eating characin (English)

8.90 cm SL male/unsexed

Known from the Paraguay River (Ref. 36811).

Characidae

Roeboides microlepis

(Reinhardt, 1851)

Fr

native

Dientudo (Spanish)

20.00 cm SL male/unsexed

Known from rio Paraguai (Ref. 57858).

No picture yet.

Characidae

Roeboides prognathus

(Boulenger, 1895)

Fr

native

Dientudo (Spanish)

18.50 cm SL male/unsexed

Bryconidae

Salminus brasiliensis

(Cuvier, 1816)

Fr

native

100.00 cm SL male/unsexed

Cichlidae

Satanoperca pappaterra

(Heckel, 1840)

Fr

native

Pantanal eartheater (English), Paraguay River eartheater (English)

27.00 cm TL male/unsexed ;27.50 cm TL female

Known from the Paraná River basin in Paraguay River drainage (Ref. 36377).

Anostomidae

Schizodon isognathus

Kner, 1858

Fr

native

35.00 cm SL male/unsexed

Known from the Río Paraguay system (Ref. 75767).

No picture yet.

Callichthyidae

Scleromystax macropterus

(Regan, 1913)

Fr

native

8.70 cm SL male/unsexed

Scoloplacidae

Scoloplax distolothrix

Schaefer, Weitzman & Britski, 1989

Fr

native

1.79 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 36693).

No picture yet.

Characidae

Serrapinnus calliurus

(Boulenger, 1900)

Fr

native

4.40 cm SL male/unsexed

No picture yet.

Characidae

Serrapinnus heterodon

(Eigenmann, 1915)

Fr

native

8.29 cm SL male/unsexed

Known from the upper Paraná (Ref. 37055).

Characidae

Serrapinnus kriegi

(Schindler, 1937)

Fr

native

2.36 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 37055). Type locality: Centurión, n. Paraguay (Ref. 26282). Also Ref. 598.

Characidae

Serrapinnus microdon

(Eigenmann, 1915)

Fr

native

4.20 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 37055).

No picture yet.

Serrasalmidae

Serrasalmus maculatus

Kner, 1858

Fr

native

26.40 cm TL male/unsexed ;34.50 cm TL female

Serrasalmidae

Serrasalmus marginatus

Valenciennes, 1837

Fr

native

27.10 cm TL male/unsexed ;32.40 cm TL female

Pimelodidae

Sorubim lima

(Bloch & Schneider, 1801)

Fr

native

54.20 cm TL male/unsexed

Rivulidae

Spectrolebias chacoensis

(Amato, 1986)

Fr

endemic

6.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36579). Also Ref. 27139.

Curimatidae

Steindachnerina biornata

(Braga & Azpelicueta, 1987)

Fr

native

18.80 cm TL male/unsexed

Curimatidae

Steindachnerina brevipinna

(Eigenmann & Eigenmann, 1889)

Fr

native

22.60 cm TL male/unsexed

Known from Río Tebicuary, Río Paraguay and Lago Ypacarai.

Curimatidae

Steindachnerina conspersa

(Holmberg, 1891)

Fr

native

12.80 cm SL male/unsexed

Also Ref. 28798.

No picture yet.

Sternopygidae

Sternopygus macrurus

(Bloch & Schneider, 1801)

Fr

native

141 cm TL male/unsexed

Loricariidae

Sturisoma robustum

(Regan, 1904)

Fr

native

25.00 cm SL male/unsexed

Known from the La Plata River basin (Ref. 36389).

Synbranchidae

Synbranchus marmoratus

Bloch, 1795

Fr

native

150 cm TL male/unsexed

Characidae

Tetragonopterus argenteus

Cuvier, 1816

Fr

native

11.20 cm SL male/unsexed

Gasteropelecidae

Thoracocharax stellatus

(Kner, 1858)

Fr

native

6.70 cm SL male/unsexed

Occurs in the Río de La Plata (Ref. 28999).

Auchenipteridae

Trachelyopterus albicrux

(Berg, 1901)

Fr

native

14.00 cm TL male/unsexed

Recorded from photos of individuals between 5 and 10 cm, taken during a fishing expedition by Dirk-Peter Gärtner (pers.comm. 01/12).

Doradidae

Trachydoras paraguayensis

(Eigenmann & Ward, 1907)

Fr

native

Armado (Spanish)

19.20 cm SL male/unsexed

Known from the Paraná River (Ref. 37054).

No picture yet.

Rivulidae

Trigonectes aplocheiloides

Huber, 1995

Fr

native

10.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36579). Also Ref. 27139.

No picture yet.

Rivulidae

Trigonectes balzanii

(Perugia, 1891)

Fr

native

16.00 cm TL male/unsexed

Known from the Paraguay River basin (Ref. 36579).

Triportheidae

Triportheus nematurus

(Kner, 1858)

Fr

native

18.30 cm SL male/unsexed

Triportheidae

Triportheus pantanensis

Malabarba, 2004

Fr

native

15.80 cm SL male/unsexed

Known from rio Paraguay (Ref. 54769).

No picture yet.

Characidae

Xenurobrycon macropus

Myers & Miranda Ribeiro, 1945

Fr

native

2.00 cm SL male/unsexed

Known from the Paraguay River basin (Ref. 38597).

No picture yet.

Aspredinidae

Xyliphius barbatus

Alonso de Arámburu & Arámburu, 1962

Fr

native

9.90 cm SL male/unsexed

Known from río Paraguay (main channel), near Asuncíon, Nueva Asuncíon.

No picture yet.

Pimelodidae

Zungaro jahu

(Ihering, 1898)

Fr

questionable

140 cm SL male/unsexed

Pimelodidae

Zungaro zungaro

(Humboldt, 1821)

Fr

questionable

140 cm SL male/unsexed

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