Halicoeres vs fish genus

Halicoeres and fish genus both are nouns.

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

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

Halicoeres: a genus of Labridae containing 81 species of wrasses (Halicoeres)
fish genus: any of various genus of fish

Halicoeres (noun)	fish genus (noun)
a genus of Labridae containing 81 species of wrasses (Halicoeres)	any of various genus of fish