Chaetodipterus faber vs percoid

Chaetodipterus faber and percoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chaetodipterus faber	Yes	No	No	No
percoid	Yes	No	No	No

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

Chaetodipterus faber: deep-bodied disk-shaped food fish of warmer western Atlantic coastal waters
percoid: any of numerous spiny-finned fishes of the order Perciformes

Other hypernyms of Chaetodipterus faber include percoid fish, percoidean.

Chaetodipterus faber (noun)	percoid (noun)
deep-bodied disk-shaped food fish of warmer western Atlantic coastal waters	any of numerous spiny-finned fishes of the order Perciformes