serranid vs percoid fish

serranid and percoid fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
serranid	Yes	No	No	No
percoid fish	Yes	No	No	No

As nouns, percoid fish is a hypernym of serranid; that is, percoid fish is a word with a broader meaning than serranid:

Other hypernyms of serranid include percoid, percoidean.

serranid (noun)	percoid fish (noun)
marine food sport fishes mainly of warm coastal waters	any of numerous spiny-finned fishes of the order Perciformes