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First Onshore Bred Tuna Baby Reaches 100 Days Birthday Mark

This week, at a South Australian hatchery, a young fish of 25 centimeters reached a milestone birthday: 100 days, more than five times what captive breeders have been able to achieve previously.

Clean Seas chairman Hagen Stehr said: “Young tuna has never been held that long before onshore.”
The project, involving the Australian Seafood Co-operative Research Centre, the Fisheries Research Development Corporation and the South Australian Research and Development Institute, aims to produce 250,000 bluefin at the hatchery outside Arno Bay on the Eyre Peninsula by 2015. “There's a commercial industry in the making of immense proportion,” Mr. Stehr said. “In years to come, it will be a billion-dollar industry.”

Worldwide demand for the southern bluefin tuna is rising. Japan takes about 80 per cent of the catch. The young fish were spawned in April after adult females were given hormone injections. They will be kept in a temperature-controlled hatchery over winter.