Amphibious fish
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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 independent
Mudskippers (Periophthalmus gracilis shown) are among the most land adapted of fish (excepting, from a cladistic perspective, tetrapods), able to spend days out of water.
Lateral view of lungs of a dissected spotted lungfish (Protopterus dolloi)
Air breathing organ of a walking catfish
Labyrinth organ of a climbing perch (Anabas testudineus)
Lungfish
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Lungfish, also known as dipnoans, are freshwater vertebrates belonging to the class Dipnoi. Lungfish are best known for their innovative respiratory system, including the ability to breathe air, and d
Amphibious fish
…locomotion incorporate multiple combinations of pectoral-, pelvic-, and tail-fin movement. Many ancient fish had lung-like organs, and a few, such as the lungfish and bichir, still do. Some of these ancient "lunged" fish were the ancestors of tetrapods. In most recent fish species, though, these organs evolved…
Neoceratodus forsteri, 2014 09 19
Granddad, Shedd Aquarium, Chicago
South American lungfish