Specimen weight: Suspended from listings
Record: 440 kg, Donegal Bay, 2001
Dorsal fins separated by only a narrow gap; main portions of second dorsal and anal not greatly elevated and dark in colour. A keel on side of tail column and two keels at base of tail-fin. Pectoral fins short. Grows to over 1,000 lb. Not common.
Angling for bluefin tuna is currently closed by EU regulation