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The Atlantic bluefin tuna is a close relative of one of the other two bluefin tuna species, the Pacific bluefin tuna. The southern bluefin tuna , on the other hand, is more closely related to other tuna species such as yellowfin tuna and bigeye tuna , and the similarities between the southern and northern species are due to convergent evolution.
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%
Southern bluefin tuna, along with other marine teleost fish, have acquired a variety of proteins and mechanisms which allow the secretion of ions through the gill epithelium. [6] Due to the southern bluefin tuna's high metabolic need, ions must be taken up relatively quickly to ensure sufficient concentrations for cellular function.
The bluefin tuna fishery started off with a bang in April when several giants were brought into the marinas in a hurry, filling the quota for giants in about two weeks. The fishery for the mediums ...
Seven-foot (two-meter) Indo-Pacific blue marlin (Makaira mazara).This big-game fish was caught near Cabo San Lucas, on the Pacific coast of Mexico.. Big-game fishing, also known as offshore sportfishing, offshore gamefishing or blue-water fishing, is a form of recreational fishing targeting large game fish, usually on a large body of water such as a sea or ocean.
Southern bluefin tuna: found in southern hemisphere waters of all the world's oceans: T. orientalis: Pacific bluefin tuna: found widely in the northern Pacific Ocean and locally in the south: Formerly known as northern bluefin tuna. T. thynnus: Atlantic bluefin tuna: found in both the western and eastern Atlantic Ocean, and also in the ...
The Achotines Laboratory was established as part of the IATTC's Tuna-Billfish Program. It is one of the few research facilities in the world designed specifically for studies of the early life history of tropical tunas. As tunas are pelagic (open-ocean) fish they are difficult to study in their natural habitat. Little is known from studies of ...
A 276-kilogram bluefin tuna that was auctioned for 207 million Japanese yen (about $1.3 million) is carried into an Onodera sushi restaurant after the first tuna auction of the New Year in Tokyo ...