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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
Maze King Pleco
Pterygoplichthys lituratus
Loricariidae
Least Concern
Mbam killi
Aphyosemion dargei
Nothobranchiidae
Vulnerable
Mbaraga
Acapoeta tanganicae
Cyprinidae
Least Concern
Edible
Mbeka
Tropheus annectens
Cichlidae
Endangered
Mbozi suckermouth
Chiloglanis mbozi
Mochokidae
Vulnerable
Mbuta Rainbowfish
Pelangia mbutaensis
Melanotaeniidae
Critically Endangered
McDowall's Galaxias
Galaxias mcdowalli
Galaxiidae
Critically Endangered
Mchenga Conophoros
Mchenga conophoros
Cichlidae
Critically Endangered
Mchenga Cyclicos
Mchenga cyclicos
Cichlidae
Near Threatened
Mchenga Thinos
Mchenga thinos
Cichlidae
Least Concern
Meander cory
Brochis noelkempffi
Data Deficient
Meander cory
Corydoras noelkempffi
Callichthyidae
Data Deficient
Mediterranean barbel
Barbus meridionalis
Cyprinidae
Near Threatened
Meek's Silverside
Atherinella meeki
Atherinopsidae
Least Concern
Mees's pimelodus catfish
Pimelodus albofasciatus
Pimelodidae
Least Concern
Megadontognathus Cuyuniensis
Megadontognathus cuyuniensis
Apteronotidae
Critically Endangered
Megadontognathus Kaitukaensis
Megadontognathus kaitukaensis
Apteronotidae
Vulnerable
Megalamphodus Epicharis
Megalamphodus epicharis
Least Concern
Megalamphodus Haraldschultzi
Megalamphodus haraldschultzi
Least Concern
Megalamphodus Khardinae
Megalamphodus khardinae
Least Concern
Megalamphodus Micropterus
Megalamphodus micropterus
Least Concern
Megalancistrus Barrae
Megalancistrus barrae
Least Concern
Megalancistrus Parananus
Megalancistrus parananus
Least Concern
Megalebias Wolterstorffi
Megalebias wolterstorffi
Least Concern
Megaleporinus Brinco
Megaleporinus brinco
Least Concern
Megaleporinus Conirostris
Megaleporinus conirostris
Least Concern
Megaleporinus Elongatus
Megaleporinus elongatus
Least Concern
Megaleporinus Garmani
Megaleporinus garmani
Megaleporinus Macrocephalus
Megaleporinus macrocephalus
Least Concern
Megaleporinus Muyscorum
Megaleporinus muyscorum
Vulnerable
Megaleporinus Piavussu
Megaleporinus piavussu
Least Concern
Megaleporinus Reinhardti
Megaleporinus reinhardti
Least Concern
Megaleporinus Trifasciatus
Megaleporinus trifasciatus
Least Concern
Megalobrama Elongata
Megalobrama elongata
Cyprinidae
Megalobrama Mantschuricus
Megalobrama mantschuricus
Cyprinidae
Least Concern
Megalobrama Pellegrini
Megalobrama pellegrini
Cyprinidae
Vulnerable
Megalocentor Echthrus
Megalocentor echthrus
Least Concern
Megalodoras Guayoensis
Megalodoras guayoensis
Doradidae
Least Concern
Megalodoras Uranoscopus
Megalodoras uranoscopus
Doradidae
Least Concern
Edible
Megalonema Amaxanthum
Megalonema amaxanthum
Pimelodidae
Least Concern
Megalonema Argentinum
Megalonema argentinum
Pimelodidae
Megalonema Orixanthum
Megalonema orixanthum
Pimelodidae
Least Concern
Megalonema Pauciradiatum
Megalonema pauciradiatum
Pimelodidae
Data Deficient
Megalonema Platanum
Megalonema platanum
Pimelodidae
Least Concern
Megalonema Platycephalum
Megalonema platycephalum
Pimelodidae
Least Concern
Megalonema Psammium
Megalonema psammium
Pimelodidae
Least Concern
Megalonema Xanthum
Megalonema xanthum
Pimelodidae
Least Concern
Meinken's Dwarf Cichlid
Apistogramma meinkeni
Cichlidae
Least Concern