largemouth bass vs Micropterus salmoides

largemouth bass and Micropterus salmoides both are nouns.

Word	Noun	Adjective	Verb	Adverb
largemouth bass	Yes	No	No	No
Micropterus salmoides	Yes	No	No	No

As nouns, largemouth bass and Micropterus salmoides are synonyms defined as:

largemouth bass and Micropterus salmoides: a large black bass; the angle of the jaw falls behind the eye

Other synonyms of largemouth bass include largemouth, largemouth black bass, largemouthed bass, largemouthed black bass.

largemouth bass (noun)	Micropterus salmoides (noun)
a large black bass; the angle of the jaw falls behind the eye	a large black bass; the angle of the jaw falls behind the eye
flesh of largemouth bass