surfperch vs surf fish

surfperch and surf fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
surfperch	Yes	No	No	No
surf fish	Yes	No	No	No

As nouns, surfperch and surf fish are synonyms defined as:

surfperch and surf fish: small to medium-sized shallow-water fishes of the Pacific coast of North America

Other synonyms of surfperch include surffish.

surfperch (noun)	surf fish (noun)
small to medium-sized shallow-water fishes of the Pacific coast of North America	small to medium-sized shallow-water fishes of the Pacific coast of North America
	a fish of the Pacific coast of North America