Southern bluefin tuna weigh over 200kg; and grow over 2m. Lifespan is 20 to 40 years. Bluefin tuna are built like torpedoes. Not only do they have a hydrodynamic shape, their pectoral (side) fins can be retracted and their eyes are set flush to their body. This means their bodies create little drag as they swim through water.
http://wwf.panda.org/what_we_do/endangered_species/tuna/southern_bluefin_tuna/
They hunt by sight and have the sharpest vision of any bony fish. There are three species of bluefin: Atlantic (the largest and most endangered), Pacific, and Southern. Most catches of the Atlantic bluefin tuna are taken from the Mediterranean Sea, which is the most important bluefin tuna fishery in the world. Share on Facebook.
https://www.worldwildlife.org/species/bluefin-tuna
Habitat and Distribution. Southern bluefin tuna are found throughout the southern Atlantic, Pacific and Indian Oceans – generally south of 30 degrees south, though they do head north to the warm waters south of Java to spawn between September and April.
http://wwf.panda.org/what_we_do/endangered_species/tuna/southern_bluefin_tuna/
The bluefin tuna caught off northeastern Japan fetched a record 155.40 million yen, or about $1,763,000, in the first auction of the year at the fish market. The tuna was caught off Oma in Aomori prefecture. (Photo by AP Photo/Shuji Kajiyama)
http://www.nola.com/business/index.ssf/2013/01/500-pound_bluefin_tuna_fetches.html
They can grow up to one meter and weight up to 19 kg. Even though they can live to 7 years, they are caught primarily before they are 3 years old and processed for the global tuna market. Skipjack are the most common kind of canned tuna.
http://www.pewtrusts.org/en/research-and-analysis/fact-sheets/2012/05/02/maps-global-tuna-management
Bluefin are the largest tuna and can live up to 40 years. They migrate across oceans and can dive more than 4,000 feet. Bluefin tuna are made for speed: built like torpedoes, have retractable fins and their eyes are set flush to their body.
https://www.worldwildlife.org/species/bluefin-tuna
Winning bidder Kiyoshi Kimura, president of Kiyomura Co., poses with a bluefin tuna in front of his Sushi Zanmai restaurant near Tsukiji fish market in Tokyo. The bluefin tuna caught off northeastern Japan fetched a record 155.40 million yen, or about $1,763,000, in the first auction of the year at the fish market. The tuna was caught off Oma in Aomori prefecture. TOKYO -- A bluefin tuna sold for a record $1.76 million at a Tokyo auction Saturday, nearly three times the previous high set last year -- even as environmentalists warn that stocks of the majestic, speedy fish are being depleted worldwide amid strong demand for sushi.
http://www.nola.com/business/index.ssf/2013/01/500-pound_bluefin_tuna_fetches.html
The largest of all bluefin species is the Atlantic bluefin, which can live over 40 years, weigh over 600 kg, and grow to over three meters. Bluefin tuna are slow to mature and some may not reproduce until they are 15 years old.
http://www.pewtrusts.org/en/research-and-analysis/fact-sheets/2012/05/02/maps-global-tuna-management
Tuna species are found throughout the world's oceans. Atlantic, Pacific, and southern bluefin tuna are prized for the sushi and sashimi market. Skipjack, yellowfin, and bigeye tunas are found mainly in the tropics, while albacore, like bluefin, are also found in temperate waters. These species are used for a mixture of canned and fresh productions.
http://www.pewtrusts.org/en/research-and-analysis/fact-sheets/2012/05/02/maps-global-tuna-management
West Atlantic Bluefin Tuna Lengths and Weights at Age. Note: To convert dressed length (pectoral fin curved fork length) to whole length (total curved fork. length) multiply dressed length in inches by 1.35. *Approximate averages.
http://neangling.com/wp-content/uploads/2014/09/BluefinTunaWeights.pdf
how old can southern bluefin tuna live
The southern bluefin tuna can live 40 years old. The southern bluefin tuna can live for 40 years.