noun, plural (especially collectively) rock·fish, (especially referring to two or more kinds or species) rock·fish·es.
- any of various fishes found about rocks.
- striped bass.
- any of the North Pacific and Atlantic marine fishes of the genus Sebastes.
- scorpionfish.
noun plural -fish or -fishes
- any of various fishes that live among rocks, esp scorpaenid fishes of the genus Sebastodes and related genera, such as S. caurinus (copper rockfish) of North American Pacific coastal waters
- British any of several coarse fishes when used as food, esp the dogfish or wolffishFormerly called: rock salmon