Hipsurus caryi vs surffish

Hipsurus caryi and surffish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hipsurus caryi	Yes	No	No	No
surffish	Yes	No	No	No

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

Hipsurus caryi: Pacific coast fish
surffish: small to medium-sized shallow-water fishes of the Pacific coast of North America

Other hypernyms of Hipsurus caryi include surf fish, surfperch.

Hipsurus caryi (noun)	surffish (noun)
Pacific coast fish	small to medium-sized shallow-water fishes of the Pacific coast of North America
	a fish of the Pacific coast of North America