caribe vs characin

caribe and characin both are nouns.

Word	Noun	Adjective	Verb	Adverb
caribe	Yes	No	No	No
characin	Yes	No	No	No

As nouns, characin is a hypernym of caribe; that is, characin is a word with a broader meaning than caribe:

caribe: small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals
characin: any freshwater fish of the family Characinidae

Other hypernyms of caribe include characid, characin fish.

caribe (noun)	characin (noun)
small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals	any freshwater fish of the family Characinidae