Electrophoridae vs fish family

Electrophoridae and fish family both are nouns.

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

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

Electrophoridae (noun)	fish family (noun)
small family comprising the electric eels	any of various families of fish