Rockfish and Sea bass

Rockfish noun - Marine food and game fish with dark longitudinal stripes; migrates upriver to spawn; sometimes placed in the genus Morone.

Sea bass and rockfish are semantically related. In some cases you can use "Sea bass" instead a noun "Rockfish".

Sea bass noun - Any of various food and sport fishes of the Atlantic coast of the United States having an elongated body and long spiny dorsal fin.

Rockfish and sea bass are semantically related. Sometimes you can replace term "Rockfish" with "Sea bass", this terms are similar.