scorpaenid vs scorpaenoid fish

scorpaenid and scorpaenoid fish both are nouns.

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

As nouns, scorpaenoid fish is a hypernym of scorpaenid; that is, scorpaenoid fish is a word with a broader meaning than scorpaenid:

scorpaenid: any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific
scorpaenoid fish: fishes having the head armored with bony plates

Other hypernyms of scorpaenid include scorpaenoid.

scorpaenid (noun)	scorpaenoid fish (noun)
any of numerous carnivorous usually bottom-dwelling warm-water marine fishes found worldwide but most abundant in the Pacific	fishes having the head armored with bony plates