toadfish vs acanthopterygian

toadfish and acanthopterygian both are nouns.

Word	Noun	Adjective	Verb	Adverb
toadfish	Yes	No	No	No
acanthopterygian	Yes	No	No	No

As nouns, acanthopterygian is a hypernym of toadfish; that is, acanthopterygian is a word with a broader meaning than toadfish:

toadfish: bottom-dwelling fish having scaleless slimy skin and a broad thick head with a wide mouth
acanthopterygian: a teleost fish with fins that are supported by sharp inflexible rays

Other hypernyms of toadfish include spiny-finned fish.

toadfish (noun)	acanthopterygian (noun)
bottom-dwelling fish having scaleless slimy skin and a broad thick head with a wide mouth	a teleost fish with fins that are supported by sharp inflexible rays