What is another word for Amphibian in english

The list of words which can be used for Amphibian while creating sentence in english language. toad frog toad, bullfrog, croaker, caecilian, polliwog salamander hyla proteus caecilian caudate newt toad, frog, salamander, hyla, proteus, caecilian, caudate 
Usage of Amphibian in sentences
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