black bass vs black sea bass

black bass and black sea bass both are nouns.

Word	Noun	Adjective	Verb	Adverb
black bass	Yes	No	No	No
black sea bass	Yes	No	No	No

As nouns, black bass and black sea bass are synonyms defined as:

black bass and black sea bass: bluish black-striped sea bass of the Atlantic coast of the United States

Other synonyms of black bass include Centropistes striata.

black bass (noun)	black sea bass (noun)
widely distributed and highly prized American freshwater game fishes (sunfish family)	bluish black-striped sea bass of the Atlantic coast of the United States
bluish black-striped sea bass of the Atlantic coast of the United States