Thunnus (Thunnus)
Thunnus is a paraphyletic subgenus of ray-finned bony fishes in the Thunnini, or tuna, tribe. More specifically, Thunnus is a subgenus of the genus Thunnus, also known as the "true tunas". Thunnus is sometimes referred to as the bluefin group and comprises five species:
;subgenus Thunnus T. alalunga – albacoreT. maccoyii – southern bluefin tunaT. obesus – bigeye tunaT. orientalis – Pacific bluefin tunaT. thynnus – Atlantic bluefin tuna