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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
Neostethus Robertsi
Neostethus robertsi
Phallostethidae
Critically Endangered
Nkhomo-benga peacock
Aulonocara baenschi
Cichlidae
Critically Endangered
Edible
Northland mudfish
Neochanna heleios
Galaxiidae
Critically Endangered
Nothobranchius Fuscotaeniatus
Nothobranchius fuscotaeniatus
Nothobranchiidae
Critically Endangered
Nothobranchius Mkuziensis
Nothobranchius mkuziensis
Nothobranchiidae
Critically Endangered
Nothobranchius Sylvaticus
Nothobranchius sylvaticus
Nothobranchiidae
Critically Endangered
Notholebias Fractifasciatus
Notholebias fractifasciatus
Rivulidae
Critically Endangered
Oktedi rainbowfish
Melanotaenia oktediensis
Melanotaeniidae
Critically Endangered
Edible
Onaç spring minnow
Pseudophoxinus ninae
Cyprinidae
Critically Endangered
Onychostoma Angustistomatum
Onychostoma angustistomatum
Cyprinidae
Critically Endangered
Opal pearlfish
Leptolebias opalescens
Rivulidae
Critically Endangered
Ophthalmolebias Ilheusensis
Ophthalmolebias ilheusensis
Critically Endangered
Oreoglanis Lepturus
Oreoglanis lepturus
Sisoridae
Critically Endangered
Orestias
Orestias cuvieri
Cyprinodontidae
Critically Endangered
Edible
Orestias Chungarensis
Orestias chungarensis
Cyprinodontidae
Critically Endangered
Orestias Tutini
Orestias tutini
Cyprinodontidae
Critically Endangered
Orestias Uruni
Orestias uruni
Cyprinodontidae
Critically Endangered
Ornate limia
Limia ornata
Poeciliidae
Critically Endangered
Orontes bream
Acanthobrama centisquama
Cyprinidae
Critically Endangered
Edible
Orthochromis Uvinzae
Orthochromis uvinzae
Cichlidae
Critically Endangered
Oryzias Soerotoi
Oryzias soerotoi
Adrianichthyidae
Critically Endangered
Otjikoto tilapia
Tilapia guinasana
Cichlidae
Critically Endangered
Otothyris Juquiae
Otothyris juquiae
Critically Endangered
Oxynoemacheilus Galilaeus
Oxynoemacheilus galilaeus
Nemacheilidae
Critically Endangered
Pahrump poolfish
Empetrichthys latos
Goodeidae
Critically Endangered
Paitan
Barbodes manguaoensis
Cyprinidae
Critically Endangered
Pallid sturgeon
Scaphirhynchus albus
Acipenseridae
Critically Endangered
Parabotia Brevirostris
Parabotia brevirostris
Botiidae
Critically Endangered
Parakysis Notialis
Parakysis notialis
Akysidae
Critically Endangered
Paratherina Labiosa
Paratherina labiosa
Critically Endangered
Parauchenoglanis Buettikoferi
Parauchenoglanis buettikoferi
Claroteidae
Critically Endangered
Parosphromenus Alfredi
Parosphromenus alfredi
Osphronemidae
Critically Endangered
Parosphromenus Gunawani
Parosphromenus gunawani
Osphronemidae
Critically Endangered
Parosphromenus Ornaticauda
Parosphromenus ornaticauda
Osphronemidae
Critically Endangered
Parosphromenus Phoenicurus
Parosphromenus phoenicurus
Osphronemidae
Critically Endangered
Parosphromenus Quindecim
Parosphromenus quindecim
Osphronemidae
Critically Endangered
Parras pupfish
Cyprinodon latifasciatus
Cyprinodontidae
Critically Endangered
Paska's blue-eye
Pseudomugil paskai
Pseudomugilidae
Critically Endangered
Patzcuaro allotoca
Allotoca diazi
Goodeidae
Critically Endangered
Pátzcuaro chub
Algansea lacustris
Critically Endangered
Patzcuaro silverside
Chirostoma patzcuaro
Atherinopsidae
Critically Endangered
Peckoltia Capitulata
Peckoltia capitulata
Loricariidae
Critically Endangered
Pelasgus Epiroticus
Pelasgus epiroticus
Cyprinidae
Critically Endangered
Peninsular clingfish
Gobiesox juniperoserrai
Gobiesocidae
Critically Endangered
Percichthys Melanops
Percichthys melanops
Percichthyidae
Critically Endangered
Pethia Pookodensis
Pethia pookodensis
Cyprinidae
Critically Endangered
pez anual
Anablepsoides speciosus
Rivulidae
Critically Endangered
Phillips's garra
Garra phillipsi
Cyprinidae
Critically Endangered