a silvery, dark-striped, food and game bass (Morone saxatilis) of the same family (Percichthyidae) as white bass, found along the coasts of North America: it goes up rivers to spawn
See striped bass in American Heritage Dictionary 4
striped bass
noun
A North American food and game fish (Morone saxatilis) chiefly of coastal waters, having dark longitudinal stripes along its sides. Striped bass, which swim up rivers to spawn, are occasionally found in landlocked bodies of water. Also called rockfish, striper.