What is a mudskipper?

Mudskippers are small tropical fish of the eastern Atlantic, the Indian Ocean and the western Pacific from Australia to Japan. They live in estuaries with mudbanks and also in mangrove swamps. Their eyes protrude from their heads and can be moved independently of each other. When the mud is exposed by the ebbing of the tide the mudskippers come out of the water and hunt for crustaceans and other small invertebrates. They crawl and hop about rapidly with the help of their powerful muscular pectoral fins which they use as forelegs.
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