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The southern bluefin tuna (Thunnus maccoyii) is a tuna of the family Scombridae found in open southern Hemisphere waters of all the world's oceans mainly between 30°S and 50°S, to nearly 60°S. At up to 2.5 metres (8 ft 2 in) and weighing up to 260 kilograms (570 lb), it is among the larger bony fishes .
The experiment was a huge success, and the commercial fishery expanded rapidly due to the high level of demand for canned tuna. By the 1920s, the industry expanded further and three other species of tuna—bluefin, yellowfin, and skipjack—were also being canned. Albacore tuna is the only species that can be marketed as "white meat tuna".
Thunnus (Thunnus) is sometimes referred to as the bluefin group and comprises five species: subgenus Thunnus (Thunnus) T. alalunga (Bonnaterre, 1788) – albacore; T. maccoyii (Castelnau, 1872) – southern bluefin tuna; T. obesus (Lowe, 1839) – bigeye tuna; T. orientalis (Temminck and Schlegel, 1844) – Pacific bluefin tuna
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Species lengths vary from the 20 cm (7.9 in) of the island mackerel to the 4.58 m (15.0 ft) recorded for the immense Atlantic bluefin tuna. Scombrids are generally predators of the open ocean, and are found worldwide in tropical and temperate waters. They are capable of considerable speed, due to a highly streamlined body and retractable fins.
On December 30, 2012, a 222-kilogram (489 lb) bluefin tuna caught off northeastern Japan, was sold at the Tsukiji fish market in Tokyo for a record 155.4 million yen ($1.76 million) – a unit price of JP¥ 1.274 million/kg (US$3,600/lb).
Blue Fin Tuna. The Commission for the Conservation of Southern Bluefin Tuna (CCSBT) is a Regional fisheries management organisation [1] and international organization with the purpose of managing the stocks of the critically endangered [2] Southern bluefin tuna. [3] The secretariat is housed in Canberra, Australia. [4]
A tuna (pl.: tunas or tuna) is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae family.The Thunnini comprise 15 species across five genera, [2] the sizes of which vary greatly, ranging from the bullet tuna (max length: 50 cm or 1.6 ft, weight: 1.8 kg or 4 lb) up to the Atlantic bluefin tuna (max length: 4.6 m or 15 ft, weight: 684 kg or 1,508 lb [citation ...