largemouthed black bass vs largemouthed bass

largemouthed black bass and largemouthed bass both are nouns.

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

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

largemouthed black bass and largemouthed bass: a large black bass; the angle of the jaw falls behind the eye

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

largemouthed black bass (noun)	largemouthed bass (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