Southern Bluefin Tuna (thunnus maccoyii)) are long-lived, highly mobile fish found throughout most of the southern temperate oceans.
The only known breeding area is in the Indian Ocean, south east of Java, Indonesia.
SBT can live for up to forty years and reach a weight of 200 Kilograms and measure more than 2 metres in length.
SBT are caught on longlines in the southern Pacific, Atlantic and Indian Oceans, and with purse seine nets in the Great Australian Bight for farming.
They are prized because of their high fat content and are sold mainly on the Japanese Sashimi market where they command premium prices.
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