smallmouth bass vs Micropterus dolomieu

smallmouth bass and Micropterus dolomieu both are nouns.

Word	Noun	Adjective	Verb	Adverb
smallmouth bass	Yes	No	No	No
Micropterus dolomieu	Yes	No	No	No

As nouns, smallmouth bass and Micropterus dolomieu are synonyms defined as:

smallmouth bass and Micropterus dolomieu: a variety of black bass; the angle of the jaw falls below the eye

Other synonyms of smallmouth bass include smallmouth, smallmouth black bass, smallmouthed bass, smallmouthed black bass.

smallmouth bass (noun)	Micropterus dolomieu (noun)
a variety of black bass; the angle of the jaw falls below the eye	a variety of black bass; the angle of the jaw falls below the eye
flesh of smallmouth bass