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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
Moon fish
Citharinus citharus
Citharinidae
Least Concern
Edible
Mooneye
Hiodon tergisus
Hiodontidae
Least Concern
Moonfish
Citharinus eburneensis
Citharinidae
Least Concern
Moonlight gourami
Trichopodus microlepis
Osphronemidae
Least Concern
Morari
Cabdio morar
Cyprinidae
Least Concern
Morenita
Gymnotus pantanal
Gymnotidae
Least Concern
Moresby mogurnda
Mogurnda pulchra
Eleotridae
Least Concern
Mormyrid
Petrocephalus bovei
Mormyridae
Least Concern
Mormyrids
Mormyrus rume
Mormyridae
Least Concern
Edible
Mormyrids
Petrocephalus simus
Mormyridae
Least Concern
Edible
Mormyrops Attenuatus
Mormyrops attenuatus
Mormyridae
Least Concern
Mormyrops Boulengeri
Mormyrops boulengeri
Mormyridae
Least Concern
Mormyrops Curtus
Mormyrops curtus
Mormyridae
Least Concern
Mormyrops Engystoma
Mormyrops engystoma
Mormyridae
Least Concern
Mormyrops Furcidens
Mormyrops furcidens
Mormyridae
Least Concern
Mormyrops Lineolatus
Mormyrops lineolatus
Mormyridae
Least Concern
Mormyrops Mariae
Mormyrops mariae
Mormyridae
Least Concern
Mormyrops Masuianus
Mormyrops masuianus
Mormyridae
Least Concern
Mormyrops Nigricans
Mormyrops nigricans
Mormyridae
Least Concern
Mormyrops Sirenoides
Mormyrops sirenoides
Mormyridae
Least Concern
Mormyrops Zanclirostris
Mormyrops zanclirostris
Mormyridae
Least Concern
Mormyrus Caschive
Mormyrus caschive
Mormyridae
Least Concern
Mormyrus Macrophthalmus
Mormyrus macrophthalmus
Mormyridae
Least Concern
Edible
Mormyrus Ovis
Mormyrus ovis
Mormyridae
Least Concern
Mormyrus tube-snouted ghost knifefish
Sternarchorhynchus mormyrus
Apteronotidae
Least Concern
Morse Knifefish
Gymnorhamphichthys hypostomus
Rhamphichthyidae
Least Concern
Mortimer's happy
Sargochromis mortimeri
Cichlidae
Least Concern
Mosaic corydoras
Brochis haraldschultzi
Least Concern
Mosquitofish
Gambusia affinis
Poeciliidae
Least Concern
Moth Whiptail Catfish
Loricaria simillima
Loricariidae
Least Concern
Mottled bichir
Polypterus weeksii
Polypteridae
Least Concern
Mottled ctenopoma
Ctenopoma weeksii
Anabantidae
Least Concern
Edible
Mottled sculpin
Cottus bairdii
Cottidae
Least Concern
Mountain barbel
Amphilius platychir
Amphiliidae
Least Concern
Mountain brook lamprey
Ichthyomyzon greeleyi
Petromyzontidae
Least Concern
Mountain Galaxias
Galaxias olidus
Galaxiidae
Least Concern
Mountain grunter
Hephaestus habbemai
Terapontidae
Least Concern
Mountain hardyhead
Craterocephalus nouhuysi
Atherinidae
Least Concern
Mountain madtom
Noturus eleutherus
Ictaluridae
Least Concern
Mountain redbelly dace
Chrosomus oreas
Cyprinidae
Least Concern
Mountain shiner
Lythrurus lirus
Cyprinidae
Least Concern
Mountain sucker
Pantosteus platyrhynchus
Least Concern
Mountain whitefish
Prosopium williamsoni
Salmonidae
Least Concern
Mourning tetra
Brycon pesu
Bryconidae
Least Concern
Edible
Mouse Catfish
Tenellus leporhinus
Doradidae
Least Concern
Mousetail knifefish
Gymnorhamphichthys rondoni
Rhamphichthyidae
Least Concern
Moustached Danio
Danio dangila
Cyprinidae
Least Concern
Mouth Almighty
Glossamia aprion
Apogonidae
Least Concern