Grunt

To make a deep, short noise, as a hog; to utter a short groan or a deep guttural sound.

A deep, guttural sound, as of a hog.

Any one of several species of American food fishes, of the genus Haemulon, allied to the snappers, as, the black grunt (A. Plumieri), and the redmouth grunt (H. aurolineatus), of the Southern United States; -- also applied to allied species of the genera Pomadasys, Orthopristis, and Pristopoma. Called also pigfish, squirrel fish, and grunter; -- so called from the noise it makes when taken.

medium-sized tropical marine food fishes that utter grunting sounds when caught