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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
Sinocyclocheilus Tingi
Sinocyclocheilus tingi
Cyprinidae
Endangered
Edible
Sinogastromyzon Nanpanjiangensis
Sinogastromyzon nanpanjiangensis
Balitoridae
Endangered
Slackwater darter
Etheostoma boschungi
Percidae
Endangered
Slender chub
Erimystax cahni
Cyprinidae
Endangered
Slender rainbowfish
Melanotaenia gracilis
Melanotaeniidae
Endangered
Slender silverside
Chirostoma attenuatum
Atherinopsidae
Endangered
Smallfin redhorse
Moxostoma robustum
Catostomidae
Endangered
Sonoyta pupfish
Cyprinodon eremus
Cyprinodontidae
Endangered
Sphaerichthys Vaillanti
Sphaerichthys vaillanti
Osphronemidae
Endangered
Spikedace
Meda fulgida
Cyprinidae
Endangered
Spiketail gourami
Parosphromenus filamentosus
Osphronemidae
Endangered
Edible
Spiketail platyfish
Xiphophorus andersi
Poeciliidae
Endangered
Edible
Spintherobolus Broccae
Spintherobolus broccae
Endangered
Spintherobolus Leptoura
Spintherobolus leptoura
Endangered
Spintherobolus Papilliferus
Spintherobolus papilliferus
Endangered
Spotted gourami
Malpulutta kretseri
Endangered
Spotted rainbowfish
Glossolepis maculosa
Melanotaeniidae
Endangered
Edible
Spotted Salta livebearer
Jenynsia maculata
Anablepidae
Endangered
Spotted skiffia
Skiffia multipunctata
Goodeidae
Endangered
Edible
Spotted spined loach
Cobitis puncticulata
Cobitidae
Endangered
Squalidus Minor
Squalidus minor
Cyprinidae
Endangered
Squalius Albus
Squalius albus
Cyprinidae
Endangered
Squalius Castellanus
Squalius castellanus
Cyprinidae
Endangered
Squalius Keadicus
Squalius keadicus
Cyprinidae
Endangered
Squalius Kosswigi
Squalius kosswigi
Cyprinidae
Endangered
Squalius Malacitanus
Squalius malacitanus
Cyprinidae
Endangered
Squalius Microlepis
Squalius microlepis
Cyprinidae
Endangered
Squalius Prespensis
Squalius prespensis
Cyprinidae
Endangered
Squalius Tenellus
Squalius tenellus
Cyprinidae
Endangered
Squalius Torgalensis
Squalius torgalensis
Cyprinidae
Endangered
Sri Lanka dwarf catfish
Mystus ankutta
Bagridae
Endangered
Steindachner's cichlid
Herichthys steindachneri
Cichlidae
Endangered
Edible
Steindachneridion Doceanum
Steindachneridion doceanum
Endangered
Steindachneridion Melanodermatum
Steindachneridion melanodermatum
Endangered
Steindachneridion Parahybae
Steindachneridion parahybae
Endangered
Steindachneridion Punctatum
Steindachneridion punctatum
Endangered
Sterlet sturgeon
Acipenser ruthenus
Acipenseridae
Endangered
Edible
Stigmatogobius Elegans
Stigmatogobius elegans
Gobiidae
Endangered
Stiphodon Julieni
Stiphodon julieni
Gobiidae
Endangered
Stomatorhinus Ivindoensis
Stomatorhinus ivindoensis
Mormyridae
Endangered
Striped bitterling
Acheilognathus cyanostigma
Cyprinidae
Endangered
Striped catfish
Pangasianodon hypophthalmus
Pangasiidae
Endangered
Edible
Sturisomatichthys Dariense
Sturisomatichthys dariense
Endangered
Stymphalia chub
Squalius moreoticus
Cyprinidae
Endangered
Sulphur molly
Poecilia sulphuraria
Poeciliidae
Endangered
Sundadanio Atomus
Sundadanio atomus
Endangered
Sundadanio Goblinus
Sundadanio goblinus
Endangered
Sundolyra Latebrosa
Sundolyra latebrosa
Endangered