Bermuda chub vs sea chub

Bermuda chub and sea chub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bermuda chub	Yes	No	No	No
sea chub	Yes	No	No	No

As nouns, sea chub is a hypernym of Bermuda chub; that is, sea chub is a word with a broader meaning than Bermuda chub:

Bermuda chub: food and game fish around Bermuda and Florida; often follow ships
sea chub: schooling fishes mostly of Indian and western Pacific oceans; two species in western Atlantic

Bermuda chub (noun)	sea chub (noun)
food and game fish around Bermuda and Florida; often follow ships	schooling fishes mostly of Indian and western Pacific oceans; two species in western Atlantic