The Atlantic bluefin tuna is a species of tuna in the family Scombridae. It is variously known as the northern bluefin tuna, giant bluefin tuna [for individuals exceeding 150 kg (330 lb)], and formerly as the tunny.
Atlantic bluefin tuna
Larval Atlantic bluefin tuna
Capture of Atlantic bluefin tuna in tonnes from 1950 to 2009
An adult Atlantic bluefin tuna on deck
A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna up to the Atlantic bluefin tuna, which averages 2 m (6.6 ft) and is believed to live up to 50 years.
Relative sizes of various tunas, with the Atlantic bluefin tuna (top) at about 8 ft (2.4 m) in this sample
Tuna being weighed on Greek quay-side
Tuna at Tsukiji fish market, Tokyo
Tuna cut in half for processing at Tsukuji fish market