scorpaenid fish vs scorpaenid

scorpaenid fish and scorpaenid both are nouns.

Word	Noun	Adjective	Verb	Adverb
scorpaenid fish	Yes	No	No	No
scorpaenid	Yes	No	No	No

As nouns, scorpaenid fish and scorpaenid are synonyms defined as:

scorpaenid fish and scorpaenid: any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific

scorpaenid fish (noun)	scorpaenid (noun)
any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific	any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific