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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".
Spear fishing is an ancient method of fishing and may be conducted with an ordinary spear or a specialised variant such as an eel spear [8] [9] or the trident. A small trident-type spear with a long handle is used in the American South and Midwest for gigging bullfrogs with a bright light at night, or for gigging carp and other fish in the ...
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The site features information, photos, blog posts and multimedia stories about the bluefin tuna. Pew Charitable Trusts, new data (1/2013) shows that the population of Pacific bluefin is a small fraction of what it used to be, and is in danger of all but disappearing, – actually the Pacific Bluefin Tuna Population is down over 96%
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.
Seriola dorsalis, the California yellowtail is a species of ray-finned fish of the family Carangidae. [2] This species is also known by several alternate names, such as yellowtail jack [3] amberjack, forktail, mossback, white salmon and yellowtail tunis or tuna [4] or by its Spanish name jurel.
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]