smallmouthed bass vs Micropterus dolomieu

smallmouthed bass and Micropterus dolomieu both are nouns.

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

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

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

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

smallmouthed 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