Legless creatures live secretive, strange existences underground and underwater
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Caecilians belong to the same group of animals that includes frogs and salamanders. But unlike other amphibians, caecilians lack legs. Some caecilians are as short as a pencil, while others grow as long as a child. Their eyes are tiny and hidden beneath skin and sometimes bone. And they have a pair of tentacles on their face that can sniff out chemicals in the environment.
?The whole creature is really quite bizarre,? says Emma Sherratt, an evolutionary biologist at Harvard University.
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