Micropogonias undulatus vs Atlantic croaker

Micropogonias undulatus and Atlantic croaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
Micropogonias undulatus	Yes	No	No	No
Atlantic croaker	Yes	No	No	No

As nouns, Micropogonias undulatus and Atlantic croaker are synonyms defined as:

Micropogonias undulatus and Atlantic croaker: a silvery-bodied croaker with dark markings and tiny barbels

Micropogonias undulatus (noun)	Atlantic croaker (noun)
a silvery-bodied croaker with dark markings and tiny barbels	a silvery-bodied croaker with dark markings and tiny barbels