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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
Moringua Macrocephalus
Moringua macrocephalus
Moringuidae Data Deficient
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 Batesianus
Mormyrops batesianus
Mormyridae Data Deficient
Mormyrops Boulengeri
Mormyrops boulengeri
Mormyridae Least Concern
Mormyrops Citernii
Mormyrops citernii
Mormyridae
Mormyrops Curtus
Mormyrops curtus
Mormyridae Least Concern
Mormyrops Curviceps
Mormyrops curviceps
Mormyridae
Mormyrops Engystoma
Mormyrops engystoma
Mormyridae Least Concern
Mormyrops Furcidens
Mormyrops furcidens
Mormyridae Least Concern
Mormyrops Intermedius
Mormyrops intermedius
Mormyridae Data Deficient
Mormyrops Lineolatus
Mormyrops lineolatus
Mormyridae Least Concern
Mormyrops Mariae
Mormyrops mariae
Mormyridae Least Concern
Mormyrops Masuianus
Mormyrops masuianus
Mormyridae Least Concern
Mormyrops Microstoma
Mormyrops microstoma
Mormyridae Data Deficient
Mormyrops Nigricans
Mormyrops nigricans
Mormyridae Least Concern
Mormyrops Oudoti
Mormyrops oudoti
Mormyridae Endangered
Mormyrops Parvus
Mormyrops parvus
Mormyridae Data Deficient
Mormyrops Sirenoides
Mormyrops sirenoides
Mormyridae Least Concern
Mormyrops Zanclirostris
Mormyrops zanclirostris
Mormyridae Least Concern
Mormyrus Caballus
Mormyrus caballus
Mormyridae
Mormyrus Casalis
Mormyrus casalis
Mormyridae
Mormyrus Caschive
Mormyrus caschive
Mormyridae Least Concern
Mormyrus Felixi
Mormyrus felixi
Mormyridae Data Deficient
Mormyrus Goheeni
Mormyrus goheeni
Mormyridae Data Deficient
Mormyrus Macrocephalus
Mormyrus macrocephalus
Mormyridae Vulnerable
Mormyrus Macrophthalmus
Mormyrus macrophthalmus
Mormyridae Least Concern Edible
Mormyrus Niloticus
Mormyrus niloticus
Mormyridae Near Threatened
Mormyrus Ovis
Mormyrus ovis
Mormyridae Least Concern
Mormyrus Thomasi
Mormyrus thomasi
Mormyridae Data Deficient
Mormyrus tube-snouted ghost knifefish
Sternarchorhynchus mormyrus
Apteronotidae Least Concern
Mornos goby
Economidichthys mornosensis
Gobiidae
Moroco
Pseudorasbora pumila
Cyprinidae Endangered
Morse Knifefish
Gymnorhamphichthys hypostomus
Rhamphichthyidae Least Concern
Mortimer's happy
Sargochromis mortimeri
Cichlidae Least Concern
Mosa Mogurnda
Mogurnda mosa
Eleotridae Critically Endangered
Mosaic corydoras
Brochis haraldschultzi
Least Concern
Mosquitofish
Gambusia affinis
Poeciliidae Least Concern
Mossul bleak
Alburnus mossulensis
Cyprinidae
Moswaren rainbowfish
Melanotaenia multiradiata
Melanotaeniidae Vulnerable
Moth Whiptail Catfish
Loricaria simillima
Loricariidae Least Concern
Mottled bichir
Polypterus weeksii
Polypteridae Least Concern
Mottled ctenopoma
Ctenopoma weeksii
Anabantidae Least Concern Edible
Mottled loach
Acanthocobitis botia
Mottled mountain catfish
Amphilius leopardus
Amphiliidae
Mottled sculpin
Cottus bairdii
Cottidae Least Concern