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The technique, in its most simple iteration, consists in setting up net barriers to trap the tuna when they migrate into the Mediterranean Sea from the Atlantic Ocean (February to July), on their way to spawn and until recently, on their return journey, ("al revés"); the bycatch contains, among others, bullet tuna (auxis rochei), little tunny ...
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%
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Mattanza in Sicily, an etching La pêche du thon ("Tuna Fishing", 1782) by Jean-Pierre Houël. The practice of mattanza is an elaborate and age-old fishing technique for trapping and catching Atlantic bluefin tuna that can be traced back to the Phoenicians.
The head of a 276-kilogram bluefin tuna that was auctioned for 207 million Japanese yen (about $1.3 million) is carried by a sushi chef at an Onodera sushi restaurant after the first tuna auction ...
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.
Wicked Tuna is an American reality television series about commercial tuna fishermen based in Gloucester, Massachusetts who fish for the lucrative Atlantic bluefin tuna in the North Atlantic Ocean. The teams of fisherman battle each other to see who can get the most profit from catching tuna.