- any of a large family (Serranidae) of spiny-finned, predatory, marine percoid fishes; esp., a dark food fish (Centropristes striata) with large scales and a wide mouth, found along the Atlantic coast of the U.S.
- any of various similar fishes, as a white drum (Atractoscion nobilis) of the warm waters along the California coast
- Any of various marine food fishes of the genus Centropristis and related genera in the family Serranidae, especially C. striata of coastal Atlantic waters of North America.
- Any of various similar fishes of several other families, including Nototheniidae, Polyprionidae, and Sciaenidae.
(plural sea bass or sea basses)