Equetus lanceolatus vs drumfish

Equetus lanceolatus and drumfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Equetus lanceolatus	Yes	No	No	No
drumfish	Yes	No	No	No

As nouns, drumfish is a hypernym of Equetus lanceolatus; that is, drumfish is a word with a broader meaning than Equetus lanceolatus:

Equetus lanceolatus: black-and-white drumfish with an erect elongated dorsal fin
drumfish: small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise

Other hypernyms of Equetus lanceolatus include drum.

Equetus lanceolatus (noun)	drumfish (noun)
black-and-white drumfish with an erect elongated dorsal fin	small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise