Myxine glutinosa vs hag

Myxine glutinosa and hag both are nouns.

Word	Noun	Adjective	Verb	Adverb
Myxine glutinosa	Yes	No	No	No
hag	Yes	No	No	No

As nouns, hag is a hypernym of Myxine glutinosa; that is, hag is a word with a broader meaning than Myxine glutinosa:

Myxine glutinosa: typical hagfish
hag: eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies

Other hypernyms of Myxine glutinosa include hagfish, slime eels.

Myxine glutinosa (noun)	hag (noun)
typical hagfish	eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
	an ugly evil-looking old woman