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Amphibious fish are fish that are able to leave water for extended periods of time. About 11 distantly related genera of fish are considered amphibious. This suggests that many fish genera independently evolved amphibious traits, a process known as convergent evolution. These fish use a range of terrestrial locomotory modes, such as lateral undulation, tripod-like walking (using paired fins and tail), and jumping. Many of these locomotory modes incorporate multiple combinations of pectoral, pelvic and tail fin movement.
Many ancient fish had oxygen-poor water use other methods such as their gills or their skin to breathe air. Amphibious fish may also have eyes adapted to allow them to see clearly in air, despite the density differences between air and water.
Pininfarina Nido, Pininfarina, Jesper deClaville Christiansen
Epidermis (skin), Water, Cell (biology), Connective tissue, Amphibians
Sudan, Egypt, South Africa, Algeria, Morocco
FishBase, Shark, Forage fish, Digital object identifier, Fish
Foot, Walking, Running, Fin, Horse
Devonian, Silurian, Ordovician, Actinopterygii, Fish
Actinopterygii, Pectoral fin, Malaysia, Australia, Anatomy