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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
Menezes' Sole
Apionichthys menezesi
Achiridae
Least Concern
Menoda catfish
Hemibagrus menoda
Bagridae
Least Concern
Mentum barbel Yunnan loach
Yunnanilus mentibarbatus
Nemacheilidae
Meramec Saddled Darter
Etheostoma erythrozonum
Percidae
Least Concern
Merauke tandan
Porochilus meraukensis
Plotosidae
Data Deficient
Meridian Tetra
Hyphessobrycon meridionalis
Acestrorhamphidae
Least Concern
Merry widow livebearer
Phallichthys amates
Poeciliidae
Least Concern
Edible
Mesensis tube-snouted ghost knifefish
Sternarchorhynchus mesensis
Apteronotidae
Least Concern
Meshscaled topminnow
Lacustricola hutereaui
Poeciliidae
Least Concern
Mesoborus Crocodilus
Mesoborus crocodilus
Distichodontidae
Least Concern
Mesocottus Haitej
Mesocottus haitej
Least Concern
Mesogobio Lachneri
Mesogobio lachneri
Endangered
Mesogobio Tumenensis
Mesogobio tumenensis
Least Concern
Mesoheros Atromaculatus
Mesoheros atromaculatus
Cichlidae
Least Concern
Mesoheros Gephyrus
Mesoheros gephyrus
Cichlidae
Endangered
Mesonauta Acora
Mesonauta acora
Cichlidae
Least Concern
Mesonauta Egregius
Mesonauta egregius
Cichlidae
Least Concern
Mesonauta Guyanae
Mesonauta guyanae
Cichlidae
Least Concern
Mesonauta Karipuna
Mesonauta karipuna
Cichlidae
Mesonauta Mirificus
Mesonauta mirificus
Cichlidae
Least Concern
Mesonoemacheilus Herrei
Mesonoemacheilus herrei
Critically Endangered
Mesonoemacheilus Pambarensis
Mesonoemacheilus pambarensis
Vulnerable
Mesonoemacheilus Remadeviae
Mesonoemacheilus remadeviae
Least Concern
Mesopotamian barb
Capoeta damascina
Cyprinidae
Least Concern
Mesopotamian barb
Capoeta kosswigi
Cyprinidae
Least Concern
Mesopotamian barbel
Luciobarbus subquincunciatus
Cyprinidae
Critically Endangered
Mesopotamian chub
Squalius berak
Cyprinidae
Least Concern
Mesopotamian minnow
Barilius mesopotamicus
Cyprinidae
Least Concern
Mesopotamian Pike Chub
Squalius lepidus
Cyprinidae
Least Concern
Mesopotamichthys Sharpeyi
Mesopotamichthys sharpeyi
Vulnerable
Mesopristes Iravi
Mesopristes iravi
Terapontidae
Data Deficient
Messinkitilapia
Sarotherodon tournieri
Cichlidae
Vulnerable
Metahomaloptera Longicauda
Metahomaloptera longicauda
Metahomaloptera Omeiensis
Metahomaloptera omeiensis
Least Concern
Metallic Bitterling
Acheilognathus typus
Cyprinidae
Vulnerable
Metallic livebearer
Girardinus metallicus
Poeciliidae
Least Concern
Edible
Metallic sheatfish
Phalacronotus apogon
Siluridae
Least Concern
Edible
Metallic shiner
Pteronotropis metallicus
Cyprinidae
Least Concern
Metaloricaria Nijsseni
Metaloricaria nijsseni
Loricariidae
Least Concern
Metaloricaria Paucidens
Metaloricaria paucidens
Loricariidae
Least Concern
Metynnis Altidorsalis
Metynnis altidorsalis
Serrasalmidae
Least Concern
Metynnis Cuiaba
Metynnis cuiaba
Serrasalmidae
Least Concern
Metynnis Fasciatus
Metynnis fasciatus
Serrasalmidae
Least Concern
Metynnis Longipinnis
Metynnis longipinnis
Serrasalmidae
Least Concern
Metynnis Mola
Metynnis mola
Serrasalmidae
Least Concern
Metynnis Orinocensis
Metynnis orinocensis
Serrasalmidae
Data Deficient
Metynnis Otuquensis
Metynnis otuquensis
Serrasalmidae
Least Concern
Metynnis Polystictus
Metynnis polystictus
Serrasalmidae
Least Concern