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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
Iguaçu livebearer
Jenynsia diphyes
Anablepidae
Endangered
Imparfinis Lineatus
Imparfinis lineatus
Heptapteridae
Endangered
Imparfinis Spurrellii
Imparfinis spurrellii
Heptapteridae
Endangered
Irvineia Voltae
Irvineia voltae
Endangered
Isiki loach
Oxynoemacheilus mesudae
Nemacheilidae
Endangered
Işıklı gudgeon
Gobio maeandricus
Gobionidae
Endangered
Isparta minnow
Crossocheilus klatti
Cyprinidae
Endangered
Italian bleak
Alburnus albidus
Cyprinidae
Endangered
Iyidere goby
Ponticola rizensis
Gobiidae
Endangered
Jalisco chub
Yuriria alta
Endangered
Jamaican killifish
Cubanichthys pengelleyi
Cyprinodontidae
Endangered
Edible
Japanese white crucian carp
Carassius cuvieri
Cyprinidae
Endangered
Jipe tilapia
Oreochromis jipe
Cichlidae
Endangered
Edible
Jonklaas' s loach
Lepidocephalichthys jonklaasi
Cobitidae
Endangered
Joturo
Nandopsis ramsdeni
Cichlidae
Endangered
Julian galaxias
Paragalaxias julianus
Endangered
Jupiaba Potaroensis
Jupiaba potaroensis
Acestrorhamphidae
Endangered
Kami barb
Puntius kamalika
Cyprinidae
Endangered
Karomo
Oreochromis karomo
Cichlidae
Endangered
Edible
Katrana
Rheocles alaotrensis
Bedotiidae
Endangered
Kikambala nothobranch
Nothobranchius interruptus
Nothobranchiidae
Endangered
Edible
Killifish
Fundulus lima
Fundulidae
Endangered
Killifish
Moema hellneri
Rivulidae
Endangered
Kithulgala danio
Devario micronema
Cyprinidae
Endangered
Knodus Dorsomaculatus
Knodus dorsomaculatus
Stevardiidae
Endangered
Kokoda mogurnda
Mogurnda lineata
Eleotridae
Endangered
Korhi barb
Hypselobarbus micropogon
Cyprinidae
Endangered
Edible
Kribi killi
Fundulopanchax fallax
Nothobranchiidae
Endangered
Edible
Kryptoglanis Shajii
Kryptoglanis shajii
Endangered
Kryptolebias Brasiliensis
Kryptolebias brasiliensis
Rivulidae
Endangered
Kutubu hardyhead
Craterocephalus lacustris
Atherinidae
Endangered
Kutubu tandan
Oloplotosus torobo
Plotosidae
Endangered
La Palma silverside
Atherinella ammophila
Atherinopsidae
Endangered
Labeo Potail
Labeo potail
Cyprinidae
Endangered
Edible
Labeobarbus Ethiopicus
Labeobarbus ethiopicus
Cyprinidae
Endangered
Labeobarbus Macrophtalmus
Labeobarbus macrophtalmus
Cyprinidae
Endangered
Labeobarbus Mbami
Labeobarbus mbami
Cyprinidae
Endangered
Labeobarbus Mungoensis
Labeobarbus mungoensis
Cyprinidae
Endangered
Labeobarbus Roylii
Labeobarbus roylii
Cyprinidae
Endangered
Lacustricola Petnehazyi
Lacustricola petnehazyi
Poeciliidae
Endangered
Lakamora rainbowfish
Melanotaenia lakamora
Melanotaeniidae
Endangered
Lake Afdera killifish
Aphaniops stiassnyae
Endangered
Lake Eacham rainbowfish
Melanotaenia eachamensis
Melanotaeniidae
Endangered
Lake Kutubu mogurnda
Mogurnda kutubuensis
Eleotridae
Endangered
Lake Kutubu rainbowfish
Melanotaenia lacustris
Melanotaeniidae
Endangered
Edible
Lake sturgeon
Acipenser fulvescens
Acipenseridae
Endangered
Edible
Lakeweed Chub
Ischikauia steenackeri
Cyprinidae
Endangered
Lambari
Rachoviscus graciliceps
Acestrorhamphidae
Endangered