Morone americana vs serranid

Morone americana and serranid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Morone americana	Yes	No	No	No
serranid	Yes	No	No	No

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

Morone americana: small silvery food and game fish of eastern United States streams
serranid: marine food sport fishes mainly of warm coastal waters

Other hypernyms of Morone americana include serranid fish.

Morone americana (noun)	serranid (noun)
small silvery food and game fish of eastern United States streams	marine food sport fishes mainly of warm coastal waters