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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
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 Macrocephalus
Megaleporinus macrocephalus
Least Concern
Megaleporinus Piavussu
Megaleporinus piavussu
Least Concern
Megaleporinus Reinhardti
Megaleporinus reinhardti
Least Concern
Megaleporinus Trifasciatus
Megaleporinus trifasciatus
Least Concern
Megalobrama Mantschuricus
Megalobrama mantschuricus
Cyprinidae
Least Concern
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 Orixanthum
Megalonema orixanthum
Pimelodidae
Least Concern
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
Mekong delta dragonet
Tonlesapia amnica
Least Concern
Mekong noodlefish
Sundasalanx mekongensis
Ehiravidae
Least Concern
Mekong Rock Goby
Papuligobius ocellatus
Gobiidae
Least Concern
Melanocharacidium Auroradiatum
Melanocharacidium auroradiatum
Crenuchidae
Least Concern
Melanocharacidium Depressum
Melanocharacidium depressum
Crenuchidae
Least Concern
Melanocharacidium Dispilomma
Melanocharacidium dispilomma
Crenuchidae
Least Concern
Melanocharacidium Nigrum
Melanocharacidium nigrum
Crenuchidae
Least Concern
Melanocharacidium Pectorale
Melanocharacidium pectorale
Crenuchidae
Least Concern
Melanocharacidium Rex
Melanocharacidium rex
Crenuchidae
Least Concern
Melanochromis Baliodigma
Melanochromis baliodigma
Cichlidae
Least Concern
Melanochromis Dialeptos
Melanochromis dialeptos
Cichlidae
Least Concern
Melanochromis Heterochromis
Melanochromis heterochromis
Cichlidae
Least Concern
Melanochromis Kaskazini
Melanochromis kaskazini
Cichlidae
Least Concern
Melanochromis Loriae
Melanochromis loriae
Cichlidae
Least Concern
Melanochromis Mpoto
Melanochromis mpoto
Cichlidae
Least Concern
Melanochromis Simulans
Melanochromis simulans
Cichlidae
Least Concern
Edible
Melanorivulus Aithogrammus
Melanorivulus aithogrammus
Rivulidae
Least Concern
Melanorivulus Apiamici
Melanorivulus apiamici
Rivulidae
Least Concern
Melanorivulus Decoratus
Melanorivulus decoratus
Rivulidae
Least Concern
Melanorivulus Giarettai
Melanorivulus giarettai
Rivulidae
Least Concern
Melanorivulus Jalapensis
Melanorivulus jalapensis
Rivulidae
Least Concern
Melanorivulus Javahe
Melanorivulus javahe
Rivulidae
Least Concern
Melanorivulus Kayabi
Melanorivulus kayabi
Rivulidae
Least Concern
Melanorivulus Litteratus
Melanorivulus litteratus
Rivulidae
Least Concern