Difference between Tuna and Tunny

Tuna

Part of speech: noun

Definition: Any of several species of fish, of the genus Thunnus, in the family Scombridae. The edible flesh of the tuna. A type of cactus native to Mexico in the genus Opuntia. The fruit of the cactus.

Example sentence: I make a mean tuna fish sandwich.

Tunny

Part of speech: noun

Definition: tuna