Cyprinidae vs fish family

Cyprinidae and fish family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cyprinidae	Yes	No	No	No
fish family	Yes	No	No	No

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

Cyprinidae (noun)	fish family (noun)
a family of fish including: carp, tench, roach, rudd, dace	any of various families of fish