genus Engraulis vs fish genus

genus Engraulis and fish genus both are nouns.

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

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

genus Engraulis (noun)	fish genus (noun)
type genus of the family Engraulidae	any of various genus of fish