Description: Blackfin Tuna are the smallest tuna species in the Thunnus genus. They have oval-shaped bodies, black backs with a slight yellow on the finlets, and yellow on the sides of their bodies.
Similar Fish: Yellowfin Tuna
Where found: With close proximity to the coastline, the blackfin tuna prefers clean water and warm temperatures, usually seaward from the continental shelf. It is a strongly schooling, migratory fish, often forming large mixed schools with skipjack tuna
Size: Common from 2 to 20 pounds; exceeds 40 pounds
*Florida Record: 49lbs, 6 oz
Remarks: Pound-for-pound, among the best.