wrasse vs percoid fish

wrasse and percoid fish both are nouns.

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

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

wrasse: chiefly tropical marine fishes with fleshy lips and powerful teeth; usually brightly colored
percoid fish: any of numerous spiny-finned fishes of the order Perciformes

Other hypernyms of wrasse include percoid, percoidean.

wrasse (noun)	percoid fish (noun)
chiefly tropical marine fishes with fleshy lips and powerful teeth; usually brightly colored	any of numerous spiny-finned fishes of the order Perciformes