Synagrops vs fish genus

Synagrops and fish genus both are nouns.

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

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

Synagrops: a genus of Serranidae, containing the temperate ocean-basses native to the Indian, Atlantic, and Pacific Oceans (Synagrops)
fish genus: any of various genus of fish

Synagrops (noun)	fish genus (noun)
a genus of Serranidae, containing the temperate ocean-basses native to the Indian, Atlantic, and Pacific Oceans (Synagrops)	any of various genus of fish