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Furthermore, there is even an oversupply problem in the current market as technological innovations have allowed entire schools of bluefin tuna to be caught at the same time. In Spain, the catch of bluefish tuna has exponentially decreased: 5000 million tons in 1999, 2000 million tons in 2000, 900 million tons in 2005.
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.
Tuna and tuna-like fishes are highly migratory, and stocks cross numerous international boundaries.ICCAT is involved in management of 30 species, including the Atlantic bluefin (Thunnus thynnus thynnus), yellowfin (T. albacares), albacore (T. alalunga) and bigeye tuna (T. obesus); from the billfishes, swordfish (Xiphias gladius), white marlin (Tetrapturus albidus), blue marlin (Makaira ...
The overfishing list reflects species that have an unsustainably high harvest rate. NOAA also keeps a list of overfished stocks. Those are species that have a total population size that is too low.
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Overfishing of king and Spanish mackerel occurred in the 1980s. Regulations were introduced to restrict the size, amount of catch, fishing locations, and bag limits for recreational fishers as well as commercial fishers. Gillnets were banned in waters off Florida. By 2001, the mackerel stocks had bounced back. [5]
Seafood Watch is a sustainable seafood advisory list, and has influenced similar programs around the world.It is best known for developing science-based seafood recommendations that consumers, chefs, and business professionals use to inform their seafood purchasing decisions.
[46] [aj] To improve international collaboration of bluefin tuna management, Monterey Bay Aquarium and Stanford University hosted a symposium in January 2016 in Monterey. Over 200 scientists, fisheries managers, and policy makers gathered to discuss solutions to the decline of Pacific bluefin tuna populations. [47]