Fish
Blackfin
C tier
Blackfin tuna (Thunnus atlanticus) is a small western Atlantic tuna taken by recreational and small commercial fishers from the Gulf of Mexico to the mid-Atlantic. Flesh is dark red, moderate in fat, and fine for searing and grilling when bled and iced immediately. It rarely reaches the same luxury channels as yellowfin or bluefin. Treat like a compact tuna steak: hot pan, short cook, rest. Stronger flavour than albacore, less fat than bigeye. Excellent with citrus, chilli, and herb marinades. Local day-boat fish can be outstanding; warm-chain retail fish disappoints.
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Characteristics
Preparations
Traits
Grading systems
Grades are placed along a shared scale so systems can be compared side by side.
History
Blackfin tuna entered southern U.S. recreational and local market fisheries.
Sportfishing culture popularised blackfin as a small-tuna table fish in Florida and the Gulf.
Local restaurants featured day-boat blackfin when yellowfin prices rose.