Lachnolaimus vs fish genus

Lachnolaimus and fish genus both are nouns.

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

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

Lachnolaimus (noun)	fish genus (noun)
a genus of Labridae containing the hogfish (Lachnolaimus)	any of various genus of fish