The sheepshead, Archosargus probatocephalus, is a marine fish that grows to 30 in (760 mm), but commonly reaches 5 to 8 in. It is deep and compressed in body shape, with 5 to 6 dark bars on the side of the body over a gray background. It has sharp dorsal spines. Its diet consists of oysters, clams, and other bivalves, and barnacles, fiddler crabs, and other crustaceans. It has a hard mouth, with several rows of stubby teeth, which help crush prey.