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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
Matilebias Litzi
Matilebias litzi
Vulnerable
Matilebias Paucisquama
Matilebias paucisquama
Vulnerable
Matilebias Periodicus
Matilebias periodicus
Vulnerable
Matilebias Toba
Matilebias toba
Critically Endangered
Matoucrabe
Bivibranchia bimaculata
Hemiodontidae
Least Concern
Maya gambusia
Gambusia echeagarayi
Poeciliidae
Data Deficient
Maya needlefish
Strongylura hubbsi
Belonidae
Least Concern
Maya pupfish
Cyprinodon maya
Cyprinodontidae
Vulnerable
Mayaheros Aguadae
Mayaheros aguadae
Cichlidae
Mayaheros Alborus
Mayaheros alborus
Cichlidae
Mayaheros Amarus
Mayaheros amarus
Cichlidae
Mayaheros Cienagae
Mayaheros cienagae
Cichlidae
Mayaheros Conchitae
Mayaheros conchitae
Cichlidae
Mayaheros Mayorum
Mayaheros mayorum
Cichlidae
Mayaheros Stenozonus
Mayaheros stenozonus
Cichlidae
Mayaheros Trispilus
Mayaheros trispilus
Cichlidae
Mayaheros Troschelii
Mayaheros troschelii
Cichlidae
Mayaheros Zebra
Mayaheros zebra
Cichlidae
Mayan sea catfish
Ariopsis assimilis
Ariidae
Least Concern
Mayan tetra
Hyphessobrycon compressus
Acestrorhamphidae
Least Concern
Mayland's rainbowfish
Melanotaenia maylandi
Melanotaeniidae
Vulnerable
Edible
Maylandia Benetos
Maylandia benetos
Cichlidae
Near Threatened
Maylandia Callainos
Maylandia callainos
Cichlidae
Least Concern
Maylandia Chrysomallos
Maylandia chrysomallos
Cichlidae
Near Threatened
Maylandia Cyneusmarginata
Maylandia cyneusmarginata
Cichlidae
Maylandia Emmiltos
Maylandia emmiltos
Cichlidae
Least Concern
Maylandia Flavicauda
Maylandia flavicauda
Cichlidae
Vulnerable
Maylandia Flavifemina
Maylandia flavifemina
Cichlidae
Least Concern
Maylandia Glaucos
Maylandia glaucos
Cichlidae
Near Threatened
Maylandia Koningsi
Maylandia koningsi
Cichlidae
Maylandia Lanisticola
Maylandia lanisticola
Cichlidae
Least Concern
Maylandia Lundoensis
Maylandia lundoensis
Cichlidae
Near Threatened
Maylandia Mbenjii
Maylandia mbenjii
Cichlidae
Least Concern
Maylandia Midomo
Maylandia midomo
Cichlidae
Near Threatened
Maylandia Mossambica
Maylandia mossambica
Cichlidae
Least Concern
Maylandia Nigrodorsalis
Maylandia nigrodorsalis
Cichlidae
Least Concern
Maylandia Nkhunguensis
Maylandia nkhunguensis
Cichlidae
Maylandia Pambazuko
Maylandia pambazuko
Cichlidae
Least Concern
Maylandia Phaeos
Maylandia phaeos
Cichlidae
Least Concern
Maylandia Pulpican
Maylandia pulpican
Cichlidae
Least Concern
Maylandia Pyrsonotos
Maylandia pyrsonotos
Cichlidae
Least Concern
Maylandia Sciasma
Maylandia sciasma
Cichlidae
Least Concern
Maylandia Tarakiki
Maylandia tarakiki
Cichlidae
Least Concern
Maylandia Usisyae
Maylandia usisyae
Cichlidae
Critically Endangered
Maylandia Xanthos
Maylandia xanthos
Cichlidae
Least Concern
Mazarunia Charadrica
Mazarunia charadrica
Vulnerable
Mazarunia Mazarunii
Mazarunia mazarunii
Near Threatened
Mazarunia Pala
Mazarunia pala
Endangered