lungfish

/ˌlʌŋˈfɪʃ/

Definitions of lungfish

1. noun

   air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive drought
   types:

   ceratodus

   extinct lungfish

   type of:

   bony fish

   any fish of the class Osteichthyes