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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
Indian glassy fish
Parambassis ranga
Ambassidae Least Concern
Indian potasi
Pachypterus atherinoides
Sisoridae Least Concern
Indian river shad
Gudusia chapra
Dorosomatidae Least Concern
Indian spaghetti-eel
Ophichthys hodgarti
Data Deficient
Indian torrent catfish
Amblyceps mangois
Amblycipitidae Least Concern
Indochina featherback
Chitala blanci
Notopteridae Near Threatened Edible
Indochinese sheatfish
Kryptopterus dissitus
Siluridae Data Deficient
Indonesian leaffish
Pristolepis grootii
Pristolepididae Least Concern
Indonesian snakehead
Channa micropeltes
Channidae Least Concern Edible
Indoreonectes Evezardi
Indoreonectes evezardi
Nemacheilidae Least Concern
Indoreonectes Mahadeoensis
Indoreonectes mahadeoensis
Nemacheilidae
Indostomus Crocodilus
Indostomus crocodilus
Indostomidae Vulnerable
Indostomus Spinosus
Indostomus spinosus
Indostomidae Near Threatened
Indus catfish
Mystus horai
Bagridae Vulnerable
Indus Lotak
Cyprinion watsoni
Cyprinidae Least Concern
Indus snowtrout
Ptychobarbus conirostris
Least Concern
Inga mormyrid
Mormyrus iriodes
Mormyridae Vulnerable
Inka dwarf cichlid
Apistogramma baenschi
Cichlidae Least Concern
Inkomati mountain catfish
Amphilius engelbrechti
Amphiliidae
Inle Spiny Eel
Macrognathus caudiocellatus
Mastacembelidae
Inlecypris Jayarami
Inlecypris jayarami
Data Deficient
Inpa tube-snouted ghost knifefish
Sternarchorhynchus inpai
Apteronotidae Vulnerable
Inpaichthys Luizae
Inpaichthys luizae
Acestrorhamphidae
Inpaichthys Nambiquara
Inpaichthys nambiquara
Acestrorhamphidae Least Concern
Inpaichthys Parauapiranga
Inpaichthys parauapiranga
Acestrorhamphidae
Insperanos Nattereri
Insperanos nattereri
Interochromis Loocki
Interochromis loocki
Cichlidae Least Concern
Iodotropheus Declivitas
Iodotropheus declivitas
Cichlidae
Iotabrycon Praecox
Iotabrycon praecox
Near Threatened
Iowa darter
Etheostoma exile
Percidae Least Concern
Ipojuca catfish
Aspidoras depinnai
Callichthyidae Least Concern
Iporanga tooth carp
Cnesterodon iguape
Poeciliidae Critically Endangered
Iquitos thorny catfish
Hemidoras morrisi
Least Concern
Iran Cat
Glyptothorax kurdistanicus
Sisoridae Data Deficient
Iran cave barb
Garra typhlops
Cyprinidae Vulnerable
Iranian Cichlid
Iranocichla hormuzensis
Cichlidae
Iranian Goby
Ponticola iranicus
Gobiidae
Iranocichla Persa
Iranocichla persa
Cichlidae
Iraq blind barb
Garra widdowsoni
Cyprinidae Critically Endangered
Irian Jaya rainbowfish
Melanotaenia irianjaya
Melanotaeniidae Vulnerable
Iridescent glassy perchlet
Parambassis apogonoides
Ambassidae Least Concern
Irish pollan
Coregonus pollan
Salmonidae Vulnerable Edible
Ironcolor shiner
Notropis chalybaeus
Cyprinidae Least Concern
Ironcolor shiner
Alburnops chalybaeus
Least Concern
Irvineia Orientalis
Irvineia orientalis
Irvineia Voltae
Irvineia voltae
Endangered
Isbrücker's Hypopygus
Hypopygus isbruckeri
Rhamphichthyidae Data Deficient
Isbrueckerichthys Alipionis
Isbrueckerichthys alipionis
Loricariidae Least Concern