Selene setapinnis vs horsehead

Selene setapinnis and horsehead both are nouns.

Word	Noun	Adjective	Verb	Adverb
Selene setapinnis	Yes	No	No	No
horsehead	Yes	No	No	No

As nouns, Selene setapinnis and horsehead are synonyms defined as:

Selene setapinnis and horsehead: any of several silvery marine fishes with very flat bodies

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

Selene setapinnis (noun)	horsehead (noun)
any of several silvery marine fishes with very flat bodies	any of several silvery marine fishes with very flat bodies