Anarhichas vs fish genus

Anarhichas and fish genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anarhichas	Yes	No	No	No
fish genus	Yes	No	No	No

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

Anarhichas (noun)	fish genus (noun)
type genus of the Anarhichadidae	any of various genus of fish