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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
Abrau sprat
Clupeonella abrau
Ehiravidae
Critically Endangered
Acanthobrama Hadiyahensis
Acanthobrama hadiyahensis
Cyprinidae
Critically Endangered
Acanthobrama Tricolor
Acanthobrama tricolor
Cyprinidae
Critically Endangered
Edible
Acheilognathus Brevicaudatus
Acheilognathus brevicaudatus
Cyprinidae
Critically Endangered
Acheilognathus Elongatus
Acheilognathus elongatus
Cyprinidae
Critically Endangered
Acheilognathus Hypselonotus
Acheilognathus hypselonotus
Cyprinidae
Critically Endangered
Acheron spring goby
Knipowitschia milleri
Gobiidae
Critically Endangered
Achondrostoma Occidentale
Achondrostoma occidentale
Cyprinidae
Critically Endangered
Acipinar killifish
Anatolichthys transgrediens
Critically Endangered
Edible
Acrolebias Carvalhoi
Acrolebias carvalhoi
Critically Endangered
Adamson's grunter
Hephaestus adamsoni
Terapontidae
Critically Endangered
Adrianichthys Roseni
Adrianichthys roseni
Critically Endangered
Ajamaru lakes rainbowfish
Melanotaenia ajamaruensis
Melanotaeniidae
Critically Endangered
Alabama cavefish
Speoplatyrhinus poulsoni
Critically Endangered
Alabama sturgeon
Scaphirhynchus suttkusi
Acipenseridae
Critically Endangered
Alberca silverside
Chirostoma bartoni
Atherinopsidae
Critically Endangered
Alburnus Timarensis
Alburnus timarensis
Cyprinidae
Critically Endangered
Alchichica silverside
Poblana alchichica
Critically Endangered
Alkali Cichlid
Stomatepia mariae
Cichlidae
Critically Endangered
Allomogurnda Flavimarginata
Allomogurnda flavimarginata
Eleotridae
Critically Endangered
Allomogurnda Multicincta
Allomogurnda multicincta
Eleotridae
Critically Endangered
Almeida toothcarp
Cnesterodon pirai
Poeciliidae
Critically Endangered
Altigena Discognathoides
Altigena discognathoides
Critically Endangered
Altigena Zhui
Altigena zhui
Critically Endangered
Amatolebias Wichi
Amatolebias wichi
Critically Endangered
Amphilophus Chancho
Amphilophus chancho
Cichlidae
Critically Endangered
Amphilophus Flaveolus
Amphilophus flaveolus
Cichlidae
Critically Endangered
Amphilophus Globosus
Amphilophus globosus
Cichlidae
Critically Endangered
Amphilophus Supercilius
Amphilophus supercilius
Cichlidae
Critically Endangered
Amu Darya sturgeon
Pseudoscaphirhynchus kaufmanni
Acipenseridae
Critically Endangered
Edible
Anabarilius Andersoni
Anabarilius andersoni
Cyprinidae
Critically Endangered
Anabarilius Brevianalis
Anabarilius brevianalis
Cyprinidae
Critically Endangered
Anabarilius Goldenlineus
Anabarilius goldenlineus
Cyprinidae
Critically Endangered
Anabarilius Qiluensis
Anabarilius qiluensis
Cyprinidae
Critically Endangered
Anabarilius Yangzonensis
Anabarilius yangzonensis
Cyprinidae
Critically Endangered
Anablepsoides Cearensis
Anablepsoides cearensis
Rivulidae
Critically Endangered
Anaecypris Punica
Anaecypris punica
Critically Endangered
Anatolian gudgeon
Gobio hettitorum
Gobionidae
Critically Endangered
Apache trout
Oncorhynchus apache
Salmonidae
Critically Endangered
Aphyolebias Claudiae
Aphyolebias claudiae
Rivulidae
Critically Endangered
aquarium
Campellolebias dorsimaculatus
Rivulidae
Critically Endangered
Edible
aquarium
Oryzias timorensis
Adrianichthyidae
Critically Endangered
Edible
aquarium
Aphaniops sirhani
Critically Endangered
Edible
aquarium
Simpsonichthys zonatus
Rivulidae
Critically Endangered
Edible
aquarium
Fundulopanchax scheeli
Nothobranchiidae
Critically Endangered
Edible
aquarium
Betta simplex
Osphronemidae
Critically Endangered
Edible
aquarium
Callopanchax monroviae
Nothobranchiidae
Critically Endangered
Edible
aquarium
Melanotaenia bowmani
Melanotaeniidae
Critically Endangered