| Family |
Species |
Author |
Info |
Occurrence |
Common names |
Abundance |
Max length |
Maturity |
Remark |
Photo |
| Achiridae |
Achirus mazatlanus
|
(Steindachner, 1869) | Fr, Br, M
| native | | | 22.50 cm TL male/unsexed | | |  |
| Poeciliidae |
Alfaro cultratus
|
(Regan, 1908) | Fr
| native | Olomina (Spanish), Alfaro (English) | | 7.50 cm TL male/unsexed ;8.00 cm female | | |  |
| Cichlidae |
Amatitlania myrnae
|
(Loiselle, 1997) | Fr
| native | Mojarra (Spanish), Topaz cichlid (English) | common (usually seen) | 8.00 cm SL male/unsexed | | Type locality: Río Cocolis, trib. of Río Sixaola, 3.5 km southeast of Shiroles, on Bratsí-Shiroles road, Limón Prov. |  |
| Cichlidae |
Amatitlania nigrofasciata
|
(Günther, 1867) | Fr
| error | Burra (Spanish), Convict cichlid (English), Carate (Spanish), Congo (Spanish), Punto naranja (Spanish) | | 10.00 cm SL male/unsexed | | Not occurring in the Pacific and Atlantic slopes of the country (Ref. 74403). Recorded in Ref. 1739, 6466, 7335. |  |
| Cichlidae |
Amatitlania sajica
|
(Bussing, 1974) | Fr
| endemic | Mojarra (Spanish) | | 9.00 cm SL male/unsexed ;8.00 cm TL female | | Known from Rio Parrita to Rio Coloradito. Also Ref. 2060, 36377, 52307. |  |
| Cichlidae |
Amatitlania septemfasciata
|
(Regan, 1908) | Fr
| native | Mojarra (Spanish) | | 10.00 cm SL male/unsexed | | Found in the Laguna de Arenal, Rio Cuba and Rio Sixaola. Also Ref. 36377. |  |
| Cichlidae |
Amatitlania siquia
|
Schmitter-Soto, 2007 | Fr
| native | | | 7.90 cm SL male/unsexed | | Known from tributaries to the Golfo de Nicoya on the Pacific coast and
Río Parismina on the Atlantic (Ref. 74403). Also Ref. 36880. |  |
| Cichlidae |
Amphilophus citrinellus
|
(Günther, 1864) | Fr
| native | Mojarra (Spanish), Midas cichlid (English), Mojarra rayada (Spanish) | occasional (usually not seen) | 24.40 cm SL male/unsexed | | Recorded from the Río San Juan to the Río Matina (Ref. 36880). Also Ref. 1739. |  |
| Cichlidae |
Amphilophus lyonsi
|
(Gosse, 1966) | Fr
| native | Mojarra (Spanish) | | 15.00 cm SL male/unsexed | | Known from Rio Cota, where it is uncommon (Ref. 36880). |  |
| Engraulidae |
Anchoa curta
|
(Jordan & Gilbert, 1882) | Fr, Br, M
| native | Anchoa (Spanish) | | 8.90 cm TL male/unsexed | | |  |
| Engraulidae |
Anchoa parva
|
(Meek & Hildebrand, 1923) | Fr, Br, M
| native | | | 9.10 cm TL male/unsexed | | |  |
| Engraulidae |
Anchoa spinifer
|
(Valenciennes, 1848) | Fr, Br, M
| native | | | 24.00 cm TL male/unsexed | | |  |
| Cichlidae |
Andinoacara coeruleopunctatus
|
(Kner, 1863) | Fr
| native | Mojarra (Spanish) | | 14.50 cm TL male/unsexed | | Recorded from the Río Coto, where it is uncommon (Ref. 36880). Also Ref. 12251, 36377. |  |
| Anguillidae |
Anguilla rostrata
|
(Lesueur, 1817) | Fr, Br, M
| native | Anguila (Spanish) | | 152 cm TL male/unsexed ;122 cm TL female | | Recorded in Costa Rican waters between 0 to 20 m elevation in stagnant waters or rivers of moderate current velocity (Ref. 36880). |  |
| Cichlidae |
Archocentrus centrarchus
|
(Gill, 1877) | Fr
| native | Mojarra (Spanish), Flier cichlid (English) | occasional (usually not seen) | 11.00 cm TL male/unsexed | | Known from Rio Matina and Rio Zapote,an effluent of Lago de Nicaragua (Ref. 36880). Also Ref. 7335, 74403. |  |
| Ariidae |
Ariopsis assimilis
|
(Günther, 1864) | Fr, Br
| native | | | 35.00 cm TL male/unsexed | | |  |
| Ariidae |
Ariopsis guatemalensis
|
(Günther, 1864) | Fr, Br
| native | Bagre cuatete (Spanish), Whitehead sea catfish (Spanish) | | 54.00 cm TL male/unsexed | | Recorded from Puerto Humo in the Río Tempisque. Also Ref. 96339. |  |
| Ariidae |
Ariopsis seemanni
|
(Günther, 1864) | Fr, Br, M
| native | Cuminate negro (Spanish), Tete sea catfish (English) | | 44.40 cm TL male/unsexed | | Also Ref. 36880. |  |
| Characidae |
Astyanax aeneus
|
(Günther, 1860) | Fr
| native | Banded tetra (English), Colirroja (Spanish), Golosa (Spanish), Plateada (Spanish), Sardina (Spanish) | | 7.50 cm SL male/unsexed ;12.00 cm SL female | | Also Ref. 30499. |  |
| Characidae |
Astyanax anai
|
Angulo, Santos, López, Langeani & McMahan, 2018 | Fr
| native | | | 11.26 cm SL male/unsexed | | Type locality of Astyanax anai: stream 1.6 km south-east of Shiroles near Suretka, on Bratsi-Shiroles road, Limon (Ref. 122421). | No picture yet. |
| Characidae |
Astyanax bransfordii
|
(Gill, 1877) | Fr
| native | Longjaw tetra (English), Sardina picuda (Spanish) | | 15.00 cm SL male/unsexed | | Recorded from the Río San Juan and Parismina basins (Ref. 36880). Also Ref. 598. |  |
| Characidae |
Astyanax cocibolca
|
Bussing, 2008 | Fr
| native | | | 5.36 cm SL male/unsexed | | Known from Lake Nicaragua (Ref. 83537). | No picture yet. |
| Characidae |
Astyanax nasutus
|
Meek, 1907 | Fr
| native | Sardina lagunera (Spanish), Colcibolca tetra (English) | | 10.00 cm TL male/unsexed | | Recorded only in the Río San Juan and Rio Colorado in the northern sector and at Tortuguero. | No picture yet. |
| Characidae |
Astyanax orstedii
|
(Lütken, 1875) | Fr
| native | Costa Rican tetra (English), Sardinita costarricense (Spanish) | | 8.57 cm SL male/unsexed | | | No picture yet. |
| Characidae |
Astyanax orthodus
|
Eigenmann, 1907 | Fr
| questionable | Largespot tetra (English), Sardina blanca (Spanish) | | 10.78 cm SL male/unsexed | | Recorded from the Río Sixaloa basin. Not in Ref. 38376, occurrence needs verification. |  |
| Characidae |
Astyanax robustus
|
Meek, 1912 | Fr
| native | | | | | | No picture yet. |
| Atherinopsidae |
Atherinella argentea
|
Chernoff, 1986 | Fr, Br, M
| native | Sardina (Spanish), Silverside (English) | | 11.10 cm SL male/unsexed | | |  |
| Atherinopsidae |
Atherinella chagresi
|
(Meek & Hildebrand, 1914) | Fr, Br, M
| native | | | 9.00 cm TL male/unsexed | | Recorded from Río Tortuguero (Ref. 36880). |  |
| Atherinopsidae |
Atherinella hubbsi
|
(Bussing, 1979) | Fr
| native | Sardina (Spanish), Silverside (English) | | 7.00 cm TL male/unsexed | | Recorded from the tributaries of San Juan (Ref. 36880). |  |
| Atherinopsidae |
Atherinella milleri
|
(Bussing, 1979) | Fr, Br, M
| native | Sardina (Spanish), Silverside (English) | | 5.50 cm TL male/unsexed | | Recorded from Limón (Ref. 36880). |  |
| Atherinopsidae |
Atherinella sardina
|
(Meek, 1907) | Fr
| native | Sardina (Spanish), Silverside (English) | | 5.50 cm TL male/unsexed | | Collected in Río Sapoá (Ref. 6858). | No picture yet. |
| Lepisosteidae |
Atractosteus tropicus
|
Gill, 1863 | Fr
| native | Gaspar (Spanish) | | 125 cm TL male/unsexed | 36 SL | Recorded from the Sapoá, Frío, San Carlos and Tortuguero rivers as well as Lago Caño Negro (Ref. 36880). |  |
| Gobiidae |
Awaous banana
|
(Valenciennes, 1837) | Fr
| native | Lamearena (Spanish) | | 30.00 cm SL male/unsexed ;24.38 cm SL female | | Known from Guanacaste, Heredia, Puntarenas and Limon (Ref. 13444). Uncommon in the northern and Atlantic sectors of the country (Re. 36880). |  |
| Ariidae |
Bagre pinnimaculatus
|
(Steindachner, 1876) | Fr, Br, M
| native | | | 95.00 cm TL male/unsexed | | |  |
| Batrachoididae |
Batrachoides waltersi
|
Collette & Russo, 1981 | Fr, Br, M
| native | | | 29.20 cm SL male/unsexed | | Ranges south to Gulf of Nicoya (Ref. 9277). |  |
| Poeciliidae |
Belonesox belizanus
|
Kner, 1860 | Fr, Br
| native | Pepesca gaspar (Spanish), Pike killifish (English) | common (usually seen) | 20.00 cm TL male/unsexed ;15.00 cm TL female | | Recorded from Río Tortuguero (Ref. 36880). |  |
| Hypopomidae |
Brachyhypopomus occidentalis
|
(Regan, 1914) | Fr
| native | Knifefish (English), Madre de barbudo (Spanish) | | 17.50 cm TL male/unsexed | | Recorded from the Río Sixaola (Ref. 36880). |  |
| Poeciliidae |
Brachyrhaphis cascajalensis
|
(Meek & Hildebrand, 1913) | Fr
| native | | | 6.00 cm TL male/unsexed ;7.50 cm female | | |  |
| Poeciliidae |
Brachyrhaphis holdridgei
|
Bussing, 1967 | Fr
| native | Olomina (Spanish) | occasional (usually not seen) | 5.00 cm SL male/unsexed ;5.00 cm female | | Found in the affluents of the Rio Madre de Dios, Rio Sarapiqui and Rio Arenal on the Atlantic slopes (Ref. 26130). Also Ref. 36880. | No picture yet. |
| Poeciliidae |
Brachyrhaphis olomina
|
(Meek, 1914) | Fr
| endemic | Olomina (Spanish) | | 6.00 cm SL male/unsexed ;3.40 cm SL female | | Known on the Pacific versant, from the Río Tempisque drainage to the Río Grande de Tárcoles, and on the Atlantic versant at very few sites between Río Sapoá and the Río Reventazón and Parismina. Common in the northern Pacific sector and not in the Atlantic and northern sectors (Ref. 36880). |  |
| Poeciliidae |
Brachyrhaphis parismina
|
(Meek, 1912) | Fr
| endemic | Olomina (Spanish) | | 7.00 cm TL male/unsexed | | On the Atlantic versant, occurs from Río San Juan drainage to the rivers north of the Río Sixaola. Common in the northern sector; not common in the Atlantic sector of the country (Ref. 36880). Found in Parismina and collected from a muddy stream near Puerto Viejo (Ref. 26130). | No picture yet. |
| Poeciliidae |
Brachyrhaphis rhabdophora
|
(Regan, 1908) | Fr
| endemic | Olomina (Spanish) | | 6.00 cm SL male/unsexed | | Found on the Pacific versant between the Río Parrita drainage and the Río Grande de Térraba where it is common. A population exists on Isla del Caño only 17 km off the coast of the Osa Peninsula (Ref. 36880). Also Ref. 26130. |  |
| Poeciliidae |
Brachyrhaphis roseni
|
Bussing, 1988 | Fr
| native | Olomina (Spanish) | | 6.00 cm SL male/unsexed ;4.20 cm SL female | | Restricted to the Rio Coto basin (Ref. 26130). Not common in the southern sector of the country (Ref. 36880). |  |
| Poeciliidae |
Brachyrhaphis terrabensis
|
(Regan, 1907) | Fr
| native | Olomina (Spanish) | | 6.00 cm SL male/unsexed | | Recorded from Río Térraba, Pacific versant of the country (Ref. 36880). |  |
| Bryconidae |
Brycon behreae
|
Hildebrand, 1938 | Fr, Sp
| native | Sábalo (Spanish), Machaca (Spanish) | | 26.50 cm SL male/unsexed | | Inhabits South Pacific rivers like Terraba river to San Pedro River in Panama (Ref. 36880). Popular among sport anglers in the Pacific rivers of Costa Rica (López-Pinto, pers. comm.). Also Ref. 38504. |  |
| Bryconidae |
Brycon costaricensis
|
Angulo & Gracian-Negrete, 2013 | Fr
| native | Machaca (Spanish), Machaca del Atlántico (Spanish), Sabalete (Spanish), Sábalo (Spanish) | | 32.51 cm SL male/unsexed | | Known from the Matina basin (Ref. 95069). |  |
| Bryconidae |
Brycon guatemalensis
|
Regan, 1908 | Fr, Sp
| native | Machaca (Spanish), Sabalete (Spanish) | | 59.00 cm TL male/unsexed | | More common in the northern portion and rather scanty in the Atlantic side of the country (ref. 36880). Range extension to the Pacific Versant, in
the Bebedero river watershed reported in 2012 (Ref. 96346), where it "has established with absolute success and its incredibly abundant. The abundance is such, that the main attraction of the Cañas area is a sport fishing tour in the different rivers that conform the Bebedero watershed. The species has become so successful that there several reports of specimens weighing more than 4.3 kg, the IGFA max reported weight." (J. Valerio, pers. Comm. Email 20/06/2014). Utilized as a game fish (Ref. 6323, YYY). Also Ref. 6858 and 38504. |  |
| Characidae |
Bryconamericus gonzalezi
|
Román-Valencia, 2002 | Fr
| native | | | 7.38 cm SL male/unsexed | | |  |
| Characidae |
Bryconamericus scleroparius
|
(Regan, 1908) | Fr
| native | Sardina de quebrada (Spanish), Creek tetra (English) | | 11.00 cm TL male/unsexed | | Type locality: Río Iroquois, e. slope of Costa Rica (Ref. 38376). Also Ref. 598. |  |
| Characidae |
Bryconamericus terrabensis
|
Meek, 1914 | Fr
| endemic | Sardina de quebrada (Spanish), Creek tetra (English) | | 9.00 cm TL male/unsexed | | Recorded only from the Río Térraba drainage (Ref. 36880). |  |
| Cyprinidae |
Carassius auratus
|
(Linnaeus, 1758) | Fr
| introduced | | | 48.00 cm TL male/unsexed | | Reported to occur in Lago Fraijanes (Ref. 36880). |  |
| Carcharhinidae |
Carcharhinus leucas
|
(Valenciennes, 1839) | Fr, Br, M
| native | Madrecazón (Spanish), Tiburón toro (Spanish) | | 360 cm TL male/unsexed ;400 cm TL female | | Traverse the Río San Juan during the passage between the sea and Lake Nicaragua. |  |
| Characidae |
Carlana eigenmanni
|
(Meek, 1912) | Fr
| native | Sardinita (Spanish), Carlana tetra (English) | | 5.39 cm SL male/unsexed | | Type locality, La Junta (Ref. 598). Recorded also from Río Pacuare (Ref. 36880). | No picture yet. |
| Ariidae |
Cathorops fuerthii
|
(Steindachner, 1876) | Fr, Br, M
| native | | | 31.20 cm TL male/unsexed | | |  |
| Ariidae |
Cathorops steindachneri
|
(Gilbert & Starks, 1904) | Fr, Br, M
| native | | | 36.00 cm TL male/unsexed | | |  |
| Centropomidae |
Centropomus ensiferus
|
Poey, 1860 | Fr, Br, M
| native | | | 36.20 cm TL male/unsexed | | |  |
| Centropomidae |
Centropomus nigrescens
|
Günther, 1864 | Fr, Br, M
| native | | | 123 cm TL male/unsexed | | |  |
| Centropomidae |
Centropomus parallelus
|
Poey, 1860 | Fr, Br, M
| native | Calva (Spanish), Fat snook (English) | | 72.00 cm TL male/unsexed | | Uncommon in freshwater collections (Ref. 36880). Also Ref. 26340. |  |
| Centropomidae |
Centropomus pectinatus
|
Poey, 1860 | Fr, Br, M
| native | Gualaje Atlantic (Spanish), Blackfin snook (English) | | 56.00 cm TL male/unsexed | | Uncommon in freshwater collections (Ref. 36880). |  |
| Cyclopsettidae |
Citharichthys gilberti
|
Jenkins & Evermann, 1889 | Fr, Br, M
| native | | | 27.90 cm TL male/unsexed | | In range Ref. 11482. |  |
| Cyclopsettidae |
Citharichthys uhleri
|
Jordan, 1889 | Fr
| native | Lenguado (Spanish), Flounder (English), Pez hoja (Spanish) | | 14.00 cm SL male/unsexed | | Uncommon in collections from the Atlantic and the northern sectors of the country (Ref. 36880). |  |
| Serrasalmidae |
Colossoma macropomum
|
(Cuvier, 1816) | Fr
| not established | | | 108 cm TL male/unsexed | | |  |
| Cichlidae |
Cribroheros alfari
|
(Meek, 1907) | Fr
| native | Mojarra (Spanish), Pastel cichlid (English) | | 15.00 cm SL male/unsexed | | Atlantic variant collected in the Ro Cuba near Limon; Atlantic slope variant in the Rio Sixaola drainage; and Pacific slope variant in the northwestern province of Guanacaste. Also Ref. 4537. |  |
| Cichlidae |
Cribroheros altifrons
|
(Kner, 1863) | Fr
| native | Mojarra (Spanish) | occasional (usually not seen) | 13.00 cm SL male/unsexed | | Known from Rio Terraba. |  |
| Cichlidae |
Cribroheros bussingi
|
(Loiselle, 1997) | Fr
| native | Mojarra (Spanish) | | 15.00 cm SL male/unsexed | | Found in the Sixaola River drainage (Ref. 36377). Type locality: Río Cocolis, trib. of Río Sixaola, 3.5 km southeast of Shiroles, On Bratsí-Shiroles road, Limón Prov., Costa Rica. |  |
| Cichlidae |
Cribroheros diquis
|
(Bussing, 1974) | Fr
| endemic | Mojarra (Spanish) | | 13.50 cm SL male/unsexed | | Found in Rio Terraba and Rio Esquinas (Ref. 7335). Common in the southern Pacific sector of the country. Inhabits creeks near Esterillos to the Río Coto drainage in the extreme southeast part of the country (Ref. 36880). Also Ref. 36377. |  |
| Cichlidae |
Cribroheros longimanus
|
(Günther, 1867) | Fr
| native | Cholesca (Spanish), Redbreast cichlid (English), Carate (Spanish), Pecho rojo (Spanish) | | 13.50 cm SL male/unsexed | | Found in Rio Bebedero (Ref. 36880) and Rio Canas (Ref. 7335). Uncommon in the northern Pacific and northern sectors of the country (Ref. 36880). |  |
| Cichlidae |
Cribroheros rhytisma
|
(López S., 1983) | Fr
| native | Mojarra (Spanish), Pearl cichlid (English) | scarce (very unlikely) | 13.50 cm SL male/unsexed | | Known only from the Rio Sixaola (Ref. 36880) and the Rio Telire (Ref. 7335). Also Ref. 36377. |  |
| Cichlidae |
Cribroheros rostratus
|
(Gill, 1877) | Fr
| native | Masamiche (Spanish), Masamiches (Spanish) | | 18.50 cm SL male/unsexed | | Known from between the Rio San Juan river system and the Río Matinaon the Atlantic versant of the country. Uncommon in the northern and Atlantic sectorsof the country (Ref. 36880). |  |
| Gobiidae |
Ctenogobius claytonii
|
(Meek, 1902) | Fr
| native | | | 5.80 cm SL male/unsexed | | | No picture yet. |
| Gobiidae |
Ctenogobius pseudofasciatus
|
(Gilbert & Randall, 1971) | Fr, Br, M
| native | | | 5.30 cm SL male/unsexed | | Also Ref. 50190. |  |
| Xenocyprididae |
Ctenopharyngodon idella
|
(Valenciennes, 1844) | Fr
| not established | | | 150 cm TL male/unsexed | | Introduced for aquaculture and aquatic weed control. |  |
| Rivulidae |
Cynodonichthys fuscolineatus
|
(Bussing, 1980) | Fr
| endemic | Olomina (Spanish), Arenal rivulus (English) | occasional (usually not seen) | 7.50 cm TL male/unsexed | | Known solely from the Lago Arenal drainage on the Atlantic versant and in the headwaters of the adjacent drainage, the Río Bebedaro, on the Pacific side (Ref. 36880). |  |
| Rivulidae |
Cynodonichthys glaucus
|
(Bussing, 1980) | Fr
| endemic | Olomina (Spanish), Blue rivulus (English) | occasional (usually not seen) | 5.50 cm TL male/unsexed | | Found solely in the tributaries of Río General of the Río Grande de Térraba system in southern Costa Rica (Ref. 36880). Also Ref. 36579. | No picture yet. |
| Rivulidae |
Cynodonichthys hildebrandi
|
(Myers, 1927) | Fr
| native | Olomina (Spanish), Speckled rivulus (English) | | 9.00 cm TL male/unsexed | | Recorded from the Río Rincón drainage on the Osa Peninsula (Ref. 36880). |  |
| Rivulidae |
Cynodonichthys isthmensis
|
(Garman, 1895) | Fr
| native | Olomina (Spanish), Isthmian rivulus (English) | | 7.00 cm TL male/unsexed | | Uncommon in the Atlantic and northern sector and rarely found in the northern Pacific sector of the country (Ref. 36880). |  |
| Rivulidae |
Cynodonichthys rubripunctatus
|
(Bussing, 1980) | Fr
| endemic | | | 7.00 cm TL male/unsexed | | |  |
| Rivulidae |
Cynodonichthys siegfriedi
|
(Bussing, 1980) | Fr
| endemic | Olomina (Spanish) | | 4.50 cm TL male/unsexed | | Recorded from the Río Grande de Térraba and uncommon in the southern Pacific sector (Ref. 36880). |  |
| Rivulidae |
Cynodonichthys uroflammeus
|
(Bussing, 1980) | Fr
| endemic | Olomina (Spanish), Flame rivulus (English) | | 4.50 cm TL male/unsexed | | Uncommon in the southern Pacific sector of the country (Ref. 36880). |  |
| Curimatidae |
Cyphocharax magdalenae
|
(Steindachner, 1878) | Fr
| native | Capaniz (Spanish), Carp headstander (English), Capani (Spanish), Plateada (Spanish) | | 27.00 cm SL male/unsexed | | Known from southwestern Costa Rica (Ref. 11334). Also recorded from the Río Coto (Ref. 36880). Also Ref. 9371. |  |
| Cyprinidae |
Cyprinus carpio
|
Linnaeus, 1758 | Fr
| introduced | | | 120 cm TL male/unsexed | | |  |
| Mugilidae |
Dajaus monticola
|
(Bancroft, 1834) | Fr, Br
| native | Tepemechín (Spanish), Mountain mullet (English) | | 36.00 cm TL male/unsexed | | Common in the northern sector and uncommon in the rest of the country (Ref. 36880). |  |
| Eleotridae |
Dormitator latifrons
|
(Richardson, 1844) | Fr, Br, M
| native | Dormilón (Spanish), Pacific fat sleeper (English), Pocoyo (Spanish) | | 41.00 cm TL male/unsexed ;39.00 cm TL female | | Uncommon in the northern and southern Pacific regions of the country (Ref. 36880). |  |
| Eleotridae |
Dormitator maculatus
|
(Bloch, 1792) | Fr, Br
| native | Guarasapa (Spanish), Fat sleeper (English), Pipón (Spanish) | | 70.00 cm TL male/unsexed | | Uncommon in the Atlantic and northern sectors of the country (Ref. 36880). |  |
| Dorosomatidae |
Dorosoma chavesi
|
Meek, 1907 | Fr
| native | Sabalete (Spanish) | | 18.00 cm SL male/unsexed | | Uncommon in the northern sector (ref. 36880). |  |
| Eleotridae |
Eleotris amblyopsis
|
(Cope, 1871) | Fr, Br
| native | Lucia (Spanish), Sleeper (English), Guabina (Spanish), Pez perro (Spanish) | | 8.30 cm SL male/unsexed | | Uncommon in the Atlantic and northern sectors of the country (Ref. 36880). Also Ref. 30499. |  |
| Eleotridae |
Eleotris picta
|
Kner, 1863 | Fr, Br
| native | Vieja (Spanish), Spotted sleeper (English) | | 44.00 cm SL male/unsexed | | Uncommon in the southern and northern Pacific regions (Ref. 36880). |  |
| Eleotridae |
Eleotris pisonis
|
(Gmelin, 1789) | Fr
| native | Pez perro (Spanish), Spinycheek sleeper (English) | | 25.00 cm TL male/unsexed | | Uncommon in the Atlantic and northern sectors of the country (Ref. 36880). |  |
| Eleotridae |
Eleotris tecta
|
Bussing, 1996 | Fr, Br
| native | Pez perro (Spanish) | scarce (very unlikely) | 8.00 cm SL male/unsexed | | Recorded from Golfo Dulce (Ref. 36880). | No picture yet. |
| Gerreidae |
Eucinostomus currani
|
Zahuranec, 1980 | Fr, Br, M
| native | Palmito bandera (Spanish), Mojarra (English) | | 21.00 cm TL male/unsexed | | Uncommon in freshwater collections in the country (Ref. 36880). |  |
| Gerreidae |
Eucinostomus gracilis
|
(Gill, 1862) | Fr, Br, M
| native | | | 21.00 cm TL male/unsexed | | |  |
| Gerreidae |
Eugerres plumieri
|
(Cuvier, 1830) | Fr, Br, M
| native | Mojarra fina (Spanish), Mojarra (English), Mojarra prieta (Spanish) | | 40.00 cm TL male/unsexed | | Uncommon in collections on the Atlantic versant of the country (Ref. 36880). |  |
| Loricariidae |
Fonchiiichthys uracanthus
|
(Kner, 1863) | Fr
| native | Alcalde (Spanish), Armored catfish (English), Cuchara (Spanish), Zapatero (Spanish) | | 16.50 cm SL male/unsexed | | Uncommon in the southern Pacific sector of the country (Ref. 36880). |  |
| Poeciliidae |
Gambusia nicaraguensis
|
Günther, 1866 | Fr
| native | Olomina (Spanish), Mosquito fish (English) | | 3.00 cm SL male/unsexed ;4.08 cm SL female | | Not common in the Atlantic sector of the country (Ref. 36880). |  |
| Gerreidae |
Gerres cinereus
|
(Walbaum, 1792) | Fr, Br, M
| native | | | 41.00 cm TL male/unsexed | | In range Ref. 7251. |  |
| Gobiesocidae |
Gobiesox cephalus
|
Lacepède, 1800 | Fr
| native | Chupapiedra (Spanish), Clingfish (English) | | 15.00 cm SL male/unsexed | | Also Ref. 26938. |  |
| Gobiesocidae |
Gobiesox fulvus
|
Meek, 1907 | Fr
| native | | | 9.10 cm SL male/unsexed | | Known from Cocos Island. | No picture yet. |
| Gobiesocidae |
Gobiesox potamius
|
Briggs, 1955 | Fr
| native | Chupapiedra (Spanish), Clingfish (English) | | 8.00 cm SL male/unsexed | | Recorded from the Isla del Caño (Ref. 36880). | No picture yet. |
| Gobiidae |
Gobioides peruanus
|
(Steindachner, 1880) | Fr, Br
| native | | | 45.00 cm TL male/unsexed | | Museum: USNM 123616 (Ref. 27974). |  |
| Eleotridae |
Gobiomorus dormitor
|
Lacepède, 1800 | Fr, Br
| native | Bocón (Spanish), Bigmouth sleeper (English), Guavina (Spanish) | | 90.00 cm TL male/unsexed | | Uncommon in the Atlantic and northern sectors of the country (Ref. 36880). |  |
| Eleotridae |
Gobiomorus maculatus
|
(Günther, 1859) | Fr
| native | Guavina (Spanish), Sleeper (English) | | 27.00 cm SL male/unsexed | | Uncommon in the northern Pacific sector and common in the southern Pacific region (Ref. 36880). |  |
| Eleotridae |
Gobiomorus polylepis
|
Ginsburg, 1953 | Fr, Br, M
| native | Guavina (Spanish) | | 28.00 cm SL male/unsexed | | Recorded from the Río Pozo Salado, Playa Naranjo to the Río Jicote, near Loma. Uncommon in the northern and southern Pacific sectors of the country (Ref. 36880). Also Ref. 50190. |  |
| Gymnotidae |
Gymnotus maculosus
|
Albert & Miller, 1995 | Fr
| native | Knifefish (English), Madre de barbudo (Spanish) | common (usually seen) | | | Recorded from Tempisque, Bebdero and Venado drainages in the northern Pacific sector of the country. Also recorded from the Río San Juan such as the Arenal, San Carlos and Sarapiquí (Ref. 36880). |  |
| Haemulidae |
Haemulopsis corvinaeformis
|
(Steindachner, 1868) | Fr, Br, M
| native | | | 25.00 cm TL male/unsexed | | Two specimens have been collected in freshwaters in the Tortuguero Lagoon and Tortuguero drainage (Ref. 95550). |  |
| Eleotridae |
Hemieleotris latifasciata
|
(Meek & Hildebrand, 1912) | Fr
| native | Guavinita (Spanish), Pygmy sleeper (English) | | 12.00 cm TL male/unsexed | | Not common in the southern and northern Pacific sectors of the country (Ref. 36880). |  |
| Cichlidae |
Herotilapia multispinosa
|
(Günther, 1867) | Fr
| native | Cholesca (Spanish), Mojarrita (Spanish), Zarzapala (Spanish) | | 17.00 cm TL male/unsexed | | Recorded from Rio Zapote and Rio Matina. Also Ref. 4537. |  |
| Erythrinidae |
Hoplias malabaricus
|
(Bloch, 1794) | Fr
| native | | | 65.00 cm TL male/unsexed | | |  |
| Erythrinidae |
Hoplias microlepis
|
(Günther, 1864) | Fr
| native | Dientón (Spanish), Tiger fish (English), Pez perro (Spanish) | | 36.00 cm SL male/unsexed | | Known from Puntarenas in southwestern Costa Rica (Ref. 96873). Recorded from Río Coto (Ref. 36880). Also Ref. 598. |  |
| Characidae |
Hyphessobrycon panamensis
|
Durbin, 1908 | Fr
| native | Sardinita (Spanish), Panama tetra (English) | | 4.41 cm SL male/unsexed | | Recorded from Río Union and the Río Alla Nuo. |  |
| Characidae |
Hyphessobrycon savagei
|
Bussing, 1967 | Fr
| endemic | Sardinita (Spanish), Savage tetra (English) | | 3.72 cm SL male/unsexed | | Uncommon in the southern Pacific sector, between tributaries of the Río Jicote near Parrita and Río Esquinas drainage (Ref. 36880). |  |
| Characidae |
Hyphessobrycon tortuguerae
|
Böhlke, 1958 | Fr
| native | Sardinita (Spanish), Tortuguero tetra (English) | | 3.90 cm SL male/unsexed | | Found in rivers San Juan and Tortuguero in northern Costa Rica (Ref. 38376). Also Ref. 598. |  |
| Xenocyprididae |
Hypophthalmichthys molitrix
|
(Valenciennes, 1844) | Fr
| introduced | | | 120 cm TL male/unsexed | | |  |
| Xenocyprididae |
Hypophthalmichthys nobilis
|
(Richardson, 1845) | Fr
| not established | | | 146 cm SL male/unsexed | | |  |
| Loricariidae |
Hypostomus aspidolepis
|
(Günther, 1867) | Fr
| native | Panama suckermouth (English), Arrisuaca (Spanish) | | 40.00 cm SL male/unsexed | | Recorded from the Atlantic slope, in Río Frío and Parismina and the Pacific slope in Térraba and Coto (Ref. 95550); also from Río Grande de Térraba. Inhabits among rocks in creeks and rivers of low to moderate current velocity between 20 and 560 m elevation. Frequently attached to stones from which it scrapes its food of algae and associated microorganisms (Ref. 36880). |  |
| Cichlidae |
Hypsophrys nematopus
|
(Günther, 1867) | Fr
| native | Moga (Spanish) | | 14.00 cm SL male/unsexed | | Recorded from the tributaries of the Rio San Juan drainage (Ref. 36880). Also Ref. 7335, 36377. |  |
| Cichlidae |
Hypsophrys nicaraguensis
|
(Günther, 1864) | Fr
| native | Moga amarilla (Spanish), Butterfly cichlid (English), Moga (English) | | 16.50 cm SL male/unsexed ;20.00 cm TL female | | Known from San Juan and Matina River drainages (Ref. 36377). Recorded from Rio Cuba (Ref .7335). Uncommon in the Atlantic versant of the country (Ref. 36880). Also Ref. 4537. |  |
| Heptapteridae |
Imparfinis lineatus
|
(Bussing, 1970) | Fr
| endemic | Pigmy catfish (English), Barbudito (Spanish) | | 7.00 cm SL male/unsexed | | Found in streams in Puntarenas Province (Ref. 36914). Type locality: Quebrada 36, 12 km west of Pueblo R. Claro at Interamerican Highway, Puntarenas Prov., Costa Rica, elev. 80 m. (Ref. 6868, 26282). | No picture yet. |
| Mugilidae |
Joturus pichardi
|
Poey, 1860 | Fr, Br
| native | Bobo (Spanish), Hog mullet (English) | | 61.00 cm TL male/unsexed | | Captured from Río Sarapiqui, Heredia (Ref. 83992). |  |
| Kuhliidae |
Kuhlia mugil
|
(Forster, 1801) | Fr, Br, M
| native | | | 40.00 cm SL male/unsexed | | |  |
| Eleotridae |
Leptophilypnus panamensis
|
(Meek & Hildebrand, 1916) | Fr
| native | | | 5.80 cm SL male/unsexed | | | No picture yet. |
| Dorosomatidae |
Lile stolifera
|
(Jordan & Gilbert, 1882) | Fr, Br, M
| native | | | 15.90 cm TL male/unsexed | | |  |
| Megalopidae |
Megalops atlanticus
|
Valenciennes, 1847 | Fr, Br, M
| native | Sábalo real (Spanish) | | 250 cm TL male/unsexed | 88 | |  |
| Centrarchidae |
Micropterus salmoides
|
(Lacepède, 1802) | Fr
| not established | | | 97.00 cm TL male/unsexed | | Introduced to private ponds but had little dissemination. Has not established in natural waters (Ref. 36880). |  |
| Mugilidae |
Mugil cephalus
|
Linnaeus, 1758 | Fr, Br, M
| native | | | 100.00 cm SL male/unsexed | | |  |
| Mugilidae |
Mugil curema
|
Valenciennes, 1836 | Fr, Br, M
| native | | | 91.00 cm TL male/unsexed | | |  |
| Xenocyprididae |
Mylopharyngodon piceus
|
(Richardson, 1846) | Fr
| introduced | | | 180 cm TL male/unsexed | | |  |
| Ariidae |
Notarius biffi
|
Betancur-R. & Acero P., 2004 | Fr, Br
| native | | | 32.40 cm SL male/unsexed | | | No picture yet. |
| Ariidae |
Notarius cookei
|
(Acero P. & Betancur-R., 2002) | Fr, Br
| native | | | 42.80 cm SL male/unsexed | | Also Ref. 58022. |  |
| Characidae |
Odontostilbe dialeptura
|
(Fink & Weitzman, 1974) | Fr
| native | Sardinita (Spanish), Pygmy tetra (English) | | 3.43 cm SL male/unsexed | | Recorded from the Río Coto drainage (Ref. 36880). Also Ref. 598, 37055. | No picture yet. |
| Carangidae |
Oligoplites palometa
|
(Cuvier, 1832) | Fr, Br, M
| native | Pez cuero (Spanish), Leatherjacket (English) | | 49.70 cm TL male/unsexed | | Uncommon in freshwater collections (Ref. 36880). |  |
| Carangidae |
Oligoplites saurus
|
(Bloch & Schneider, 1801) | Fr, Br, M
| native | | | 35.00 cm TL male/unsexed | | |  |
| Salmonidae |
Oncorhynchus mykiss
|
(Walbaum, 1792) | Fr, Aq
| introduced | | | 122 cm TL male/unsexed | | Introduced to high elevation localities and maintain reproducing populations in some (Ref. 36880). |  |
| Cichlidae |
Oreochromis aureus
|
(Steindachner, 1864) | Fr, Br, Aq
| introduced | | | 45.70 cm TL male/unsexed | | |  |
| Cichlidae |
Oreochromis niloticus
|
(Linnaeus, 1758) | Fr, Br, Aq
| introduced | | | 60.00 cm SL male/unsexed | | |  |
| Anablepidae |
Oxyzygonectes dovii
|
(Günther, 1866) | Fr, Br
| native | Ojos blancos (Spanish), White-eyes (English) | | 15.00 cm TL male/unsexed | | Also Ref. 245 and 4537. |  |
| Cichlidae |
Parachromis dovii
|
(Günther, 1864) | Fr
| native | Guapote (Spanish), Rainbow bass (English), Lagunero (Spanish) | | 72.00 cm TL male/unsexed | 20 | Found in Rio Moin, Rio Higueron and Rio Bebedero (Ref. 7335). The most popular cichlid among fishermen because of its velocity, strength and delicious meat (Ref. 36880). Also Ref. 4699, 36377. |  |
| Cichlidae |
Parachromis friedrichsthalii
|
(Heckel, 1840) | Fr, Br
| misidentification | | | 28.00 cm SL male/unsexed | | Known from the country (Ref. 2060). Occurrence in the country is not confirmed (Ref. 36377). |  |
| Cichlidae |
Parachromis loisellei
|
(Bussing, 1989) | Fr
| native | Guapotito (Spanish), Guapote amarillo (Spanish) | | 18.50 cm SL male/unsexed | | Known from the Rio Sixaola (Ref. 7335). |  |
| Cichlidae |
Parachromis managuensis
|
(Günther, 1867) | Fr
| native | Guapote barcino (Spanish), Jaguar guapote (English), Spotted guapote (English), Guapote tigre (Spanish) | common (usually seen) | 55.00 cm TL male/unsexed | | Known from the Rio Matina. Also Ref. 5723. |  |
| Poeciliidae |
Phallichthys amates
|
(Miller, 1907) | Fr
| native | Olomina (Spanish), Merry widow (English) | | 7.00 cm SL male/unsexed ;6.00 cm TL female | | At Tortuguero, this fish reproduces throughout the year, with greater incidence of juveniles in September. Not common in the Atlantic and northern sectors of the country; in the northern Pacific sector where it is very scattered in the Tempisque and Bebedero drainages. Probably introduced in the Río Tárcoles headwaters (Ref. 36880). Also Ref. 4537. |  |
| Poeciliidae |
Phallichthys quadripunctatus
|
Bussing, 1979 | Fr
| endemic | Olomina (Spanish) | occasional (usually not seen) | 3.50 cm SL male/unsexed | | Found in the tributaries of Rio Sixaola drainage on the Atlantic versant (Ref. 36880). Also Ref. 26130. |  |
| Poeciliidae |
Phallichthys tico
|
Bussing, 1963 | Fr
| native | Olomina (Spanish) | occasional (usually not seen) | 2.50 cm SL male/unsexed ;3.50 cm SL female | | Found in the upper San Juan River (Ref. 50894). Reported from the Rio Puerto Viejo and Rio San Luis (Ref. 26130). Not common in the northern sector of the country (Ref. 36880). |  |
| Lebiasinidae |
Piabucina boruca
|
Bussing, 1967 | Fr
| endemic | Candela (Spanish) | | 11.80 cm SL male/unsexed | | Known solely from the southern Pacific sector of the country between the Río General (Río Grande de Térraba) and tributaries of the Río Coto where it is uncommon (Ref. 36880). | No picture yet. |
| Heptapteridae |
Pimelodella chagresi
|
(Steindachner, 1876) | Fr
| native | Catfish (English), Picalón (Spanish), Arrechito (Spanish) | | 15.40 cm TL male/unsexed | | Recorded from the Río Grande de Térraba (Ref. 36880). |  |
| Poeciliidae |
Poecilia gillii
|
(Kner, 1863) | Fr
| questionable | Olomina (Spanish), Molly (English) | | 6.00 cm TL male/unsexed ;10.50 cm TL female | | Recorded from the Río Térraba (Ref. 36880). Outside distributional range, occurrence needs confirmation. |  |
| Poeciliidae |
Poecilia mexicana
|
Steindachner, 1863 | Fr
| native | Olomina (Spanish), Shortfin molly (English) | | 11.00 cm SL male/unsexed | | Recorded from the Río Matina (Ref. 36880). |  |
| Poeciliidae |
Poecilia reticulata
|
Peters, 1859 | Fr
| introduced | | | 5.00 cm SL male/unsexed ;6.00 cm SL female | | Reported to inhabit several small streams and survive in some polluted ditches which native fishes can not tolerate (Ref. 36880). |  |
| Poeciliidae |
Poeciliopsis elongata
|
(Günther, 1866) | Fr, Br
| native | Olomina (Spanish) | | 13.00 cm TL male/unsexed | | Uncommon in the northern Pacific sector and not yet collected from the southern Pacific sectors of the country (Ref. 36880). |  |
| Poeciliidae |
Poeciliopsis paucimaculata
|
Bussing, 1967 | Fr
| endemic | Olomina (Spanish) | | 3.50 cm TL male/unsexed ;4.00 cm female | | Occurs only in the southern Pacific sector in tributaries to the Río General, Esquinas, Coto Brus and Coto (Ref. 36880). |  |
| Poeciliidae |
Poeciliopsis retropinna
|
(Regan, 1908) | Fr
| native | Olomina (Spanish) | | 5.00 cm TL male/unsexed ;8.00 cm female | | Recorded from the Rio General. |  |
| Poeciliidae |
Poeciliopsis santaelena
|
Bussing, 2008 | Fr
| endemic | | | 4.72 cm SL male/unsexed | | Found in the Peninsula Santa Elena, Area de Conservación Guanacaste in northwestern Costa Rica where it is known only from the Rio Potrero Grande, a river whose flow is reduced to just a few pools during the long dry season and flows fully only during very rainy season (Ref. 78743). | No picture yet. |
| Poeciliidae |
Poeciliopsis turrubarensis
|
(Meek, 1912) | Fr, Br
| native | Olomina (Spanish) | | 4.00 cm TL male/unsexed ;8.00 cm female | | Uncommon in the northern and southern Pacific sectors of the country (Ref. 36880). |  |
| Haemulidae |
Pomadasys empherus
|
Bussing, 1993 | Fr, Br, M
| native | | scarce (very unlikely) | 21.00 cm TL male/unsexed | | |  |
| Poeciliidae |
Priapichthys annectens
|
(Regan, 1907) | Fr
| endemic | Olomina (Spanish) | | 4.00 cm TL male/unsexed ;6.50 cm SL female | | Not common in the northern and northern Pacific sectors, common in the Atlantic sector (Ref. 36880). Also Ref. 26130. |  |
| Poeciliidae |
Priapichthys panamensis
|
Meek & Hildebrand, 1916 | Fr
| questionable | Olomina (Spanish) | | 3.50 cm SL male/unsexed | | Not common in the northern and southern Pacific sectors (Re. 36880). Outside distributional range, occurrence needs furthern confirmation. | No picture yet. |
| Characidae |
Psalidodon fasciatus
|
(Cuvier, 1819) | Fr
| native | Sardina (Spanish), Colirroja (Spanish), Golosa (Spanish), Plateada (Spanish) | | 17.10 cm TL male/unsexed | | Widespread throughout the country (Ref. 36880). |  |
| Characidae |
Pseudocheirodon terrabae
|
Bussing, 1967 | Fr
| endemic | Sardinita (Spanish), Térraba tetra (English) | | 5.05 cm SL male/unsexed | | Found between Río Jicote near Parrita and tributaries of the Río Esquinas (Ref. 36880). Also Ref. 598, 37055. | No picture yet. |
| Syngnathidae |
Pseudophallus elcapitanensis
|
(Meek & Hildebrand, 1914) | Fr
| native | Pez pipa (Spanish), Pipefish (English) | | 18.50 cm SL male/unsexed | | Uncommon in the northern and southern Pacific sectors of the country (Ref. 36880). |  |
| Syngnathidae |
Pseudophallus mindii
|
(Meek & Hildebrand, 1923) | Fr
| native | Pez pipa (Spanish), Pipefish (English) | occasional (usually not seen) | 16.00 cm SL male/unsexed | | Uncommon in collections from the northern sector and absent from the Atlantic sector (Ref. 36880). |  |
| Syngnathidae |
Pseudophallus starksii
|
(Jordan & Culver, 1895) | Fr
| native | Pez pipa (Spanish), Pipefish (English) | occasional (usually not seen) | 17.60 cm SL male/unsexed | | Uncommon in the northern and southern Pacific sectors of the country (Ref. 36880). |  |
| Characidae |
Pterobrycon myrnae
|
Bussing, 1974 | Fr
| endemic | Sardinita (Spanish), Semaphore tetra (English) | | 3.90 cm SL male/unsexed | | Occurs in the Pacific drainages of southern Costa Rica, Jicote and Rincon rivers and the Esquinas River of Osa Peninsula (Ref. 38597). Type locality: Río Rincón drainage 2 km west of Rincón, Osa Peninsula, Quebrada Aguabuena, Puntarenas Prov., Costa Rica, elev. 30 m. (Ref. 26282). |  |
| Heptapteridae |
Rhamdia guatemalensis
|
(Günther, 1864) | Fr
| native | | occasional (usually not seen) | 25.10 cm SL male/unsexed | | Relatively more frequent on the Pacific versant (Ref. 36880). Also Ref. 108688 | No picture yet. |
| Heptapteridae |
Rhamdia laticauda
|
(Kner, 1858) | Fr
| native | | | 29.40 cm SL male/unsexed | | Occurs in Turrialba and Irazu (Ref. 6868). Also Ref. 36914. |  |
| Heptapteridae |
Rhamdia nicaraguensis
|
(Günther, 1864) | Fr
| native | Barbudo (Spanish) | | 26.00 cm TL male/unsexed | | Occurs in Escobal (Ref. 6868). Also Ref. 36914. |  |
| Heptapteridae |
Rhamdia quelen
|
(Quoy & Gaimard, 1824) | Fr
| native | Barbudo (Spanish), Catfish (English) | | 61.00 cm TL male/unsexed | | |  |
| Characidae |
Rhoadsia altipinna
|
Fowler, 1911 | Fr
| misidentification | | | 17.00 cm SL male/unsexed ;9.00 cm TL female | | Probably a misidentification. |  |
| Haemulidae |
Rhonciscus bayanus
|
(Jordan & Evermann, 1898) | Fr
| native | Roncador (Spanish), Pacific grunt (English), Scralled grunt (English) | | 51.00 cm TL male/unsexed | | Recorded from as far up as San Ignacio de Acosta and the Río Candelaría. Uncommon in freshwater samplings on the Pacific versant (Ref. 36880). Also Ref. 4699. |  |
| Haemulidae |
Rhonciscus crocro
|
(Cuvier, 1830) | Fr, Br, M
| native | Roncador (Spanish), Atlantic grunt (English) | | 38.00 cm TL male/unsexed | | Uncommon in the Atlantic and northern sectors (Ref. 36880). Also Ref. 26340. |  |
| Cichlidae |
Rocio octofasciata
|
(Regan, 1903) | Fr
| questionable | | | 25.00 cm TL male/unsexed | | Outside distributional range, occurrence needs confirmation. |  |
| Characidae |
Roeboides bouchellei
|
Fowler, 1923 | Fr
| native | Alma seca (Spanish), Glass headstander (English), Changuito (Spanish), Sardinita (Spanish) | | 8.20 cm SL male/unsexed | | Recorded from Río Matina (Ref. 36880). Also Ref. 34411 and 36811. |  |
| Characidae |
Roeboides bussingi
|
Matamoros, Chakrabarty, Angulo, Garita-Alvarado & McMahan, 2013 | Fr
| native | | | 9.28 cm SL male/unsexed | | | No picture yet. |
| Characidae |
Roeboides ilseae
|
Bussing, 1986 | Fr
| endemic | Sardinita (Spanish), Glass headstander (English), Alma seca (Spanish), Changuito (Spanish) | fairly common (chances are about 50%) | 7.60 cm SL male/unsexed | | Known solely from the southern Pacific sector of the country, ranges between Río Jicote near Esterillos and tributaries of the Type locality, Quebrada Bonita, S of Damas and 9 km NW of Quepos (Ref. 36811). Río Sierpe (Ref. 36880). Also Ref. 27116. |  |
| Gobiidae |
Sicydium adelum
|
Bussing, 1996 | Fr
| native | Chupapiedra (Spanish), Tití (Spanish) | | 14.00 cm SL male/unsexed | | Recorded solely from the country where it is uncommon in the Atlantic sector. Maybe found in neighboring countries (Ref. 36880). Also Ref. 50190. | No picture yet. |
| Gobiidae |
Sicydium altum
|
Meek, 1907 | Fr
| native | Tití (Spanish), Chupapiedra (Spanish) | | 14.00 cm SL male/unsexed | | Uncommon in the Atlantic and northern sectors of the country. |  |
| Gobiidae |
Sicydium cocoense
|
(Heller & Snodgrass, 1903) | Fr, Br, M
| endemic | | | | | Cocos I. | No picture yet. |
| Gobiidae |
Sicydium salvini
|
Ogilvie-Grant, 1884 | Fr
| native | Chupapiedra (Spanish), Tití (Spanish) | | 14.00 cm SL male/unsexed | | Uncommon in the northern and southern Pacific regions of the country (Ref. 36880). |  |
| Belonidae |
Strongylura exilis
|
(Girard, 1854) | Fr, Br, M
| native | | | 91.00 cm TL male/unsexed | | |  |
| Synbranchidae |
Synbranchus marmoratus
|
Bloch, 1795 | Fr
| native | Anevila (Spanish), Marbled swamp eel (English), Anguila de pantano (Spanish) | | 150 cm TL male/unsexed | | Widely distributed throughout the country but does not occur in large numbers at any one site (Ref. 36880). |  |
| Cichlidae |
Talamancaheros sieboldii
|
(Kner, 1863) | Fr
| native | Mojarra (Spanish) | | 25.00 cm SL male/unsexed | | Recorded from the Rio Jesus Maria and Rio Esquinas (Ref. 7335). |  |
| Cichlidae |
Talamancaheros underwoodi
|
(Regan, 1906) | Fr
| native | | | | | | No picture yet. |
| Cichlidae |
Tomocichla tuba
|
(Meek, 1912) | Fr
| native | Moga verde (Spanish), Tuba (Spanish), Vieja (Spanish) | | 30.00 cm TL male/unsexed | | Recorded from Rio San Juan and Rio Frio (Ref. 7335). Uncommon in the northern and Atlantic sectors of the country (Ref. 36880). |  |
| Trichomycteridae |
Trichomycterus striatus
|
(Meek & Hildebrand, 1913) | Fr
| native | Babosa (Spanish), Pencil catfish (English), Laucha (Spanish) | | 8.40 cm male/unsexed | | Recorded from the Río Grande de Térraba drainage (Ref. 36880). |  |
| Achiridae |
Trinectes fluviatilis
|
(Meek & Hildebrand, 1928) | Fr, Br, M
| native | Lenguado (Spanish) | | 5.00 cm male/unsexed | | |  |
| Cichlidae |
Vieja maculicauda
|
(Regan, 1905) | Fr, Br
| native | Pis pis (Spanish), Blackbelt cichlid (English), Palometa (Spanish), Vieja (Spanish) | | 25.00 cm SL male/unsexed | | Recorded from the Río Matina drainage (Ref. 36880). Also Ref. 4537. |  |
| Poeciliidae |
Xenophallus umbratilis
|
(Meek, 1912) | Fr
| native | Olomina (Spanish) | | 4.50 cm SL male/unsexed | | Uncommon in the northern sector, except in the Laguna de Aranal drainage where it is abundant (Ref. 36880). Also Ref. 26130. |  |
| Poeciliidae |
Xiphophorus variatus
|
(Meek, 1904) | Fr
| introduced | | | 7.00 cm TL male/unsexed | | Recorded from several tributaries on the Río Reventazón drainage (Ref. 36880). |  |
1 of 1