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Title
Tuna Fish genus Thunnus #130425896
Description
Tuna, genus Thunnus, also called tunny, any of seven species of oceanic fishes, some very large, that constitute the genus Thunnus and are of great commercial value as food. They are related to mackerels and are placed with them in the family Scombridae order Perciformes. Tunas vary considerably, both within and among species.