List of Freshwater Fishes reported from Paraguay
(landlocked)

n = 284
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Table 1: 264 species currently present in the country/island (endemic, native, introduced, reintroduced);
Table 2: 12 species possibly present in the country/island (stray, questionable);
Table 3: 8 species demonstrated to be absent in the country/island (extirpated, not established, misidentification, error).
Table 4: 284 species reported from the country/island altogether.
Table : 284 .
     
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Family Species Author Info Occurrence Common names Abundance Max length Maturity Remark Photo
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) 
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