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Freshwater Fish Species
All freshwater fish species found in rivers, lakes, streams, and ponds worldwide. From tiny tetras to the giant arapaima — covering every continent.
18,067
Total Species
1,926
Endangered (EN+CR)
1,910
Edible Species
204
Families
Indoreonectes Evezardi
Indoreonectes evezardi
Nemacheilidae
Least Concern
Indus Lotak
Cyprinion watsoni
Cyprinidae
Least Concern
Indus snowtrout
Ptychobarbus conirostris
Least Concern
Inka dwarf cichlid
Apistogramma baenschi
Cichlidae
Least Concern
Inpaichthys Nambiquara
Inpaichthys nambiquara
Acestrorhamphidae
Least Concern
Interochromis Loocki
Interochromis loocki
Cichlidae
Least Concern
Iowa darter
Etheostoma exile
Percidae
Least Concern
Ipojuca catfish
Aspidoras depinnai
Callichthyidae
Least Concern
Iquitos thorny catfish
Hemidoras morrisi
Least Concern
Iridescent glassy perchlet
Parambassis apogonoides
Ambassidae
Least Concern
Ironcolor shiner
Notropis chalybaeus
Cyprinidae
Least Concern
Ironcolor shiner
Alburnops chalybaeus
Least Concern
Isbrueckerichthys Alipionis
Isbrueckerichthys alipionis
Loricariidae
Least Concern
Isbrueckerichthys Calvus
Isbrueckerichthys calvus
Loricariidae
Least Concern
Isbrueckerichthys Duseni
Isbrueckerichthys duseni
Loricariidae
Least Concern
Isorineloricaria Acuarius
Isorineloricaria acuarius
Loricariidae
Least Concern
Isorineloricaria Tenuicauda
Isorineloricaria tenuicauda
Loricariidae
Least Concern
Issyk-kul naked loach
Triplophysa ulacholica
Nemacheilidae
Least Concern
Issyk-kul' minnow
Phoxinus issykkulensis
Cyprinidae
Least Concern
Isthmian priapella
Priapella intermedia
Poeciliidae
Least Concern
Itapoá toothcarp
Phalloceros malabarbai
Poeciliidae
Least Concern
Ituglanis Amazonicus
Ituglanis amazonicus
Trichomycteridae
Least Concern
Ituglanis Goya
Ituglanis goya
Trichomycteridae
Least Concern
Ituglanis Guayaberensis
Ituglanis guayaberensis
Trichomycteridae
Least Concern
Ituglanis Herberti
Ituglanis herberti
Trichomycteridae
Least Concern
Ituglanis Ina
Ituglanis ina
Trichomycteridae
Least Concern
Ituglanis Metae
Ituglanis metae
Trichomycteridae
Least Concern
Ituglanis Parahybae
Ituglanis parahybae
Trichomycteridae
Least Concern
Ituglanis Parkoi
Ituglanis parkoi
Trichomycteridae
Least Concern
Ituglanis Proops
Ituglanis proops
Trichomycteridae
Least Concern
Ivindomyrus Marchei
Ivindomyrus marchei
Mormyridae
Least Concern
jabón
Trichomycterus caliensis
Trichomycteridae
Least Concern
Jacareí toothcarp
Phalloceros buckupi
Poeciliidae
Least Concern
Jack Dempsey
Rocio octofasciata
Cichlidae
Least Concern
Jackson's barb
Enteromius jacksoni
Cyprinidae
Least Concern
Jacuhy pleco
Hypostomus aspilogaster
Loricariidae
Least Concern
Jacundá
Crenicichla lugubris
Cichlidae
Least Concern
Jae barb
Enteromius jae
Cyprinidae
Least Concern
Edible
Jaguar catfish
Liosomadoras oncinus
Auchenipteridae
Least Concern
Jaguar guapote
Parachromis managuensis
Cichlidae
Least Concern
Edible
Jaguar livebearer
Jenynsia onca
Anablepidae
Least Concern
James's anchovy
Anchoviella jamesi
Engraulidae
Least Concern
Jandira toothcarp
Poecilia sarrafae
Poeciliidae
Least Concern
January tetra
Hemigrammus hyanuary
Acestrorhamphidae
Least Concern
Edible
January toothcarp
Phalloptychus januarius
Poeciliidae
Least Concern
Japanese Dark Chub
Nipponocypris sieboldii
Cyprinidae
Least Concern
Japanese Eight Barbel Loach
Lefua echigonia
Nemacheilidae
Least Concern
Japanese fluvial sculpin
Cottus pollux
Cottidae
Least Concern