- Back is dark blue-black, fading to a silvery-white belly
- Second dorsal and anal fins not elongated
- Short pectoral fin does not reach area between first and second dorsal fins
- First dorsal fin is yellow or blue and the second dorsal fin is reddish-brown
- Anal fin and all finlets bright yellow with black edges
- Lack distinct body streaks, stripes and spots
Similar Species: Blackfin tuna, T. atlanticus (has long pectoral fins and reaches much smaller size)
Size: Common to 78 inches; largest tuna species
Habitat & Range
Offshore waters
Life History
Feed on fishes, squid and occasionally crustaceans
