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  2. Atlantic bluefin tuna - Wikipedia

    en.wikipedia.org/wiki/Atlantic_bluefin_tuna

    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.

  3. Bluefin tuna - Wikipedia

    en.wikipedia.org/wiki/Bluefin_tuna

    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 ...

  4. Southern bluefin tuna - Wikipedia

    en.wikipedia.org/wiki/Southern_bluefin_tuna

    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 .

  5. Northern bluefin tuna - Wikipedia

    en.wikipedia.org/wiki/Northern_bluefin_tuna

    Print/export Download as PDF; Printable version ... move to sidebar hide. Several fish species are known as northern bluefin tuna , including: Atlantic bluefin ...

  6. Pacific bluefin tuna - Wikipedia

    en.wikipedia.org/wiki/Pacific_bluefin_tuna

    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%

  7. Scombridae - Wikipedia

    en.wikipedia.org/wiki/Scombridae

    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.

  8. Thunnus tonggol - Wikipedia

    en.wikipedia.org/wiki/Thunnus_tonggol

    Thunnus tonggol is a species of tuna of tropical Indo-West Pacific waters.. It is commonly known as the longtail tuna [1] or northern bluefin tuna. [4] [5] The usage of the latter name, mainly in Australia to distinguish it from the southern bluefin tuna, leads to easy confusion with Thunnus thynnus of the Atlantic and Thunnus orientalis of the North Pacific.

  9. Tuna penning - Wikipedia

    en.wikipedia.org/wiki/Tuna_penning

    Tuna penning causes a large increase of biodeposition on the surrounding sea floor. This increase is largely due to the accumulation of excess fish feed that sinks down to the bottom. [ 2 ] As a result, the sediment composition of the benthic communities surrounding tuna pens is shifted, with increased organic material and nutrient concentrations.