tenpounder vs Tarpon atlanticus

tenpounder and Tarpon atlanticus both are nouns.

Word	Noun	Adjective	Verb	Adverb
tenpounder	Yes	No	No	No
Tarpon atlanticus	Yes	No	No	No

As nouns, Tarpon atlanticus is a hypernym of tenpounder; that is, Tarpon atlanticus is a word with a broader meaning than tenpounder:

tenpounder: game fish resembling the tarpon but smaller
Tarpon atlanticus: large silvery game fish of warm Atlantic coastal waters especially off Florida

Other hypernyms of tenpounder include tarpon.

tenpounder (noun)	Tarpon atlanticus (noun)
game fish resembling the tarpon but smaller	large silvery game fish of warm Atlantic coastal waters especially off Florida