moonfish vs Atlantic moonfish

moonfish and Atlantic moonfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
moonfish	Yes	No	No	No
Atlantic moonfish	Yes	No	No	No

As nouns, moonfish and Atlantic moonfish are synonyms defined as:

moonfish and Atlantic moonfish: any of several silvery marine fishes with very flat bodies

Other synonyms of moonfish include dollarfish, horse-head, horsefish, horsehead, Selene setapinnis.

moonfish (noun)	Atlantic moonfish (noun)
large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean	any of several silvery marine fishes with very flat bodies
any of several silvery marine fishes with very flat bodies