swellfish (swelfish)

A plectognath fish, of any of the several genera Tetrodon, Diodon, and related forms, capable of inflating itself like a ball, or swelling up by swallowing air: the name is given to the globe-fish, bur-fish, Swell-fish (Chilomycterus geometric us). (From Report of United States Fish Commi ion.) puffing-fish, porcupine-fish, rabbit-fish, tambor, puffer, etc. Numerous species are found in the seas of most parts of the world. Also swell -toad. See also cuts under balloon - fish, Diodon, and Tetrodontidæ.