Sebastes caurinus vs copper rockfish

Sebastes caurinus and copper rockfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sebastes caurinus	Yes	No	No	No
copper rockfish	Yes	No	No	No

As nouns, Sebastes caurinus and copper rockfish are synonyms defined as:

Sebastes caurinus and copper rockfish: a rockfish of the Pacific coastal waters of North America

Sebastes caurinus (noun)	copper rockfish (noun)
a rockfish of the Pacific coastal waters of North America	a rockfish of the Pacific coastal waters of North America