Bluefin tuna

Bluefin tuna is a common name used to refer to several species of tuna of the genus Thunnus.

Species	Common name	Image	Range	Note
T. maccoyii	Southern bluefin tuna	File:Thmac u0.gif	found in southern hemisphere waters of all the world's oceans
T. orientalis	Pacific bluefin tuna	File:Thunnus orientalis (Osaka Kaiyukan Aquarium).jpg	found widely in the northern Pacific Ocean and locally in the south	Formerly known as northern bluefin tuna.
T. thynnus	Atlantic bluefin tuna	File:Bluefin-big.jpg	found in both the western and eastern Atlantic Ocean, and also in the Mediterranean Sea	Formerly known as northern bluefin tuna.
T. tonggol	Longtail tuna	File:Thton u0.gif	found in tropical Indo-West Pacific waters	Known as the northern bluefin tuna in Australia, as it is found off their northern coast.