genus Parophrys vs fish genus

genus Parophrys and fish genus both are nouns.

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

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

genus Parophrys: a genus of Soleidae, containing the English sole (Parophrys)
fish genus: any of various genus of fish

genus Parophrys (noun)	fish genus (noun)
a genus of Soleidae, containing the English sole (Parophrys)	any of various genus of fish