smallmouth black bass vs Micropterus dolomieu

smallmouth black bass and Micropterus dolomieu both are nouns.

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

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

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

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

smallmouth black 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