Bluefin tuna (Thunnus spp.)
Bluefin tuna is the common name used to refer the group comprised of three different temperate water species of the genus Thunnus (T. thynnus, T. orientalis and T. maccoyii), representing the largest of the tuna specimens. Bluefin tuna has the widest geographical distribution of all tunas, including the Atlantic and Pacific Oceans and the Southern Hemisphere.
See also Pacific bluefin, Atlantic bluefin and Southern bluefin.