WebOct 1, 2009 · Pacific bluefin tuna, Thunnus orientalis, is a large scombrid fish and often attains 300 kg ( Foreman and Ishizuka, 1990 ). The species is distributed in the regions from subtropical to subpolar waters in the North Pacific Ocean and may migrate to the southern hemisphere ( Bayliff, 1994 ). 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. Southern … See more The southern bluefin tuna is a predatory organism with a high metabolic need. These are pelagic animals, but migrate vertically through the water column, up to 2,500 m (8,200 ft) in depth. They also migrate between … See more Southern bluefin tuna are targeted by fishing fleets from a number of nations. This occurs on the high seas and within the See more Ranching The rapidly declining fishery led Australian tuna fishers to investigate the potential for augmenting their catch through aquaculture. … See more Respiratory physiology Respiratory systems of southern bluefin tunas are adapted to their high oxygen demand. Bluefin … See more Physiological challenges Southern bluefin tunas are thermo-conserving and can function over a wide range of temperature conditions, which allows them to dive … See more Southern bluefin tuna are targeted by recreational and game fishers in Australian waters. Allowable catch is regulated by legislation and varies from state to state. See more Southern bluefin tuna is a gourmet food, which is in demand for use in sashimi and sushi. It has medium flavoured flesh. By far the largest … See more
Migration dynamics of juvenile southern bluefin tuna
WebMay 5, 2014 · The demographics of the southern bluefin tuna (SBT) Thunnus maccoyii spawning stock were examined through a large-scale monitoring program of the Indonesian longline catch on the spawning ground between 1995 and 2012. The size and age structure of the spawning population has undergone significant changes since monitoring began. … WebMay 18, 2015 · Southern bluefin tuna (SBT) Thunnus maccoyii is a large, long-lived pelagic species which feed in the temperate waters of the Southern Ocean [ 5 – 7 ]. After reaching maturity at age ~10–12 years, adults undertake annual migrations between these feeding grounds and a single spawning ground in the northeastern Indian Ocean [ 8, 9 ]. flag active
Bluefin tuna reveal global patterns of mercury pollution and ... - PNAS
WebMelanomacrophage centres (MMCs) are aggregates of macrophages accumulating various pigments. They have been proposed as an indicator of fish immune response. Blood … WebBiological characteristics of tuna Tuna and tuna-like species are very important economically and a significant source of food, with the so-called principal market tuna species - skipjack, yellowfin, bigeye, albacore, Atlantic bluefin, Pacific bluefin (those two species previously considered belonging to the same species referred as northern ... WebSouthern Bluefin Tuna, Thunnus maccoyii; Southern Bluefin Tuna, Thunnus maccoyii (Castelnau, 1872) Scientific name: Thunnus maccoyii. Alternative name/s: Bluefin, … cannot resolve variable book