any of various gobies of the genus Periophthalmus and related genera that occur in tropical coastal regions of Africa and Asia and can move on land by means of their strong pectoral fins
mudskipper in American English
(ˈmʌdˌskɪpər)
noun
any of various goby fishes that are able to leave the water regularly when living in mud flats or climbing mangrove roots in search of food