Walking Fish Polypterus Senegalus
Article Here: http://www.quantumday.com/2014/08/wal...
Scientists are studying Polypterus Senegalus, a fish that can move in land, to understand how ancient organisms managed to jump from swimming in the waters to walking into land.
Polypterus Senegalus is a fish from Africa that is able to breathe air, move in land (with their fins) and resembles prehistoric fishes that managed to evolve into tetrapods - amphibians, reptiles, birds, and mammals. The scientists studied the fish to learn how these fish move to learn the evolutionary processes that occurred 400 million years ago.
In the vidioPolypterus senegalus walks across a sandy substrate. Fish use their fins and body in combination to move across a terrestrial substrate. Fins are planted one after the other to lift the head and anteriobody and the tail and body are used to push the fish forward over the planted fin.
Credit: E.M. Standen and T.Y. Du, H. Larsson
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