Category:Tetrodon

Tet"ro*don, n. Etym: [tetra- + gr. (zoöl.)

Defn: any one of numerous species of plectognath fishes belonging to Tetrodon and allied genera. Each jaw is furnished with two large, Thick, beaklike, bony teeth. [written also tetradon.]

Note: the skin is usually spinous, and the belly is capable of being Greatly distended by air or water. It includes the swellfish, puffer (a), and similar species.