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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
Muscadine Darter
Percina smithvanizi
Percidae
Near Threatened
Mustura Shanensis
Mustura shanensis
Near Threatened
Myloplus Tiete
Myloplus tiete
Serrasalmidae
Near Threatened
Mystus Malabaricus
Mystus malabaricus
Bagridae
Near Threatened
Nagaichthys Filipes
Nagaichthys filipes
Chaudhuriidae
Near Threatened
Natal topminnow
Lacustricola myaposae
Poeciliidae
Near Threatened
Neblinichthys Roraima
Neblinichthys roraima
Loricariidae
Near Threatened
Neogastromyzon Crassiobex
Neogastromyzon crassiobex
Near Threatened
Neogastromyzon Pauciradiatus
Neogastromyzon pauciradiatus
Near Threatened
Neolissochilus Blanci
Neolissochilus blanci
Cyprinidae
Near Threatened
Neolissochilus Hexastichus
Neolissochilus hexastichus
Cyprinidae
Near Threatened
Neonoemacheilus Assamensis
Neonoemacheilus assamensis
Nemacheilidae
Near Threatened
Neoplecostomus Espiritosantensis
Neoplecostomus espiritosantensis
Loricariidae
Near Threatened
Neosho madtom
Noturus placidus
Ictaluridae
Near Threatened
Nicaragua gizzard shad
Dorosoma chavesi
Dorosomatidae
Near Threatened
Nightfish
Bostockia porosa
Percichthyidae
Near Threatened
Niwaella Xinjiangensis
Niwaella xinjiangensis
Cobitidae
Near Threatened
Nomorhamphus Kolonodalensis
Nomorhamphus kolonodalensis
Zenarchopteridae
Near Threatened
Nomorhamphus Liemi
Nomorhamphus liemi
Zenarchopteridae
Near Threatened
Nomorhamphus Megarrhamphus
Nomorhamphus megarrhamphus
Zenarchopteridae
Near Threatened
Nomorhamphus Weberi
Nomorhamphus weberi
Zenarchopteridae
Near Threatened
Northern cavefish
Amblyopsis spelaea
Amblyopsidae
Near Threatened
Northern leatherside chub
Lepidomeda copei
Cyprinidae
Near Threatened
Northern madtom
Noturus stigmosus
Ictaluridae
Near Threatened
Nothobranchius Annectens
Nothobranchius annectens
Nothobranchiidae
Near Threatened
Nothobranchius Lucius
Nothobranchius lucius
Nothobranchiidae
Near Threatened
Nothobranchius Ocellatus
Nothobranchius ocellatus
Nothobranchiidae
Near Threatened
Nothobranchius Prognathus
Nothobranchius prognathus
Nothobranchiidae
Near Threatened
Nothobranchius Rubroreticulatus
Nothobranchius rubroreticulatus
Nothobranchiidae
Near Threatened
Nothobranchius Wattersi
Nothobranchius wattersi
Nothobranchiidae
Near Threatened
Notoglanidium Walkeri
Notoglanidium walkeri
Claroteidae
Near Threatened
Noturus Gladiator
Noturus gladiator
Ictaluridae
Near Threatened
Ocellated snakehead
Channa pleurophthalma
Channidae
Near Threatened
Edible
Odontesthes Piquava
Odontesthes piquava
Atherinopsidae
Near Threatened
Odontostilbe Dialeptura
Odontostilbe dialeptura
Characidae
Near Threatened
Oibita catfish
Callichthys oibaensis
Callichthyidae
Near Threatened
Oligosarcus Menezesi
Oligosarcus menezesi
Acestrorhamphidae
Near Threatened
Olive darter
Percina squamata
Percidae
Near Threatened
Olmec blind catfish
Rhamdia macuspanensis
Heptapteridae
Near Threatened
Ompok Borneensis
Ompok borneensis
Siluridae
Near Threatened
Ompok Fumidus
Ompok fumidus
Siluridae
Near Threatened
Ompok Leiacanthus
Ompok leiacanthus
Siluridae
Near Threatened
Ompok Miostoma
Ompok miostoma
Siluridae
Near Threatened
Ompok Weberi
Ompok weberi
Siluridae
Near Threatened
Onychostoma Gerlachi
Onychostoma gerlachi
Cyprinidae
Near Threatened
Edible
Opsarius Lairokensis
Opsarius lairokensis
Cyprinidae
Near Threatened
Orangefin Danio
Danio kyathit
Cyprinidae
Near Threatened
Orangetail shiner
Pteronotropis merlini
Cyprinidae
Near Threatened