surffish vs percoid

surffish and percoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
surffish	Yes	No	No	No
percoid	Yes	No	No	No

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

surffish: small to medium-sized shallow-water fishes of the Pacific coast of North America
percoid: any of numerous spiny-finned fishes of the order Perciformes

Other hypernyms of surffish include percoid fish, percoidean.

surffish (noun)	percoid (noun)
small to medium-sized shallow-water fishes of the Pacific coast of North America	any of numerous spiny-finned fishes of the order Perciformes
a fish of the Pacific coast of North America