Aquaculture pioneer Clean Seas Tuna has announced the survival of some of their world-first captive-reared juvenile Southern Bluefin Tuna, beyond the company’s expectations. Some of the young tuna have now lived for more than 150 days, and survived transfer to sea cages at the company’s Arno Bay facility in South Australia. Clean Seas Tuna Managing Director Clifford Ashby said the survival of the young tuna was unlikely, with sea temperatures soon to drop to 11C-12C, but that merely making... ...Read more »

Aquaculture specialist Clean Seas Tuna has reported a new milestone in its pioneering Southern Bluefin Tuna research, reporting a succesful transfer of its young tuna into sea cages. After last month’s world-first succesful transfer, the company has followed with a second batch of 60 young tuna fingerlings. A total of 85 juvenile tuna are now living in the company’s sea cages, with Clean Seas reporting that they are feeding extremely well and have grown to around 15cm in length. The company’s... ...Read more »

Aquaculture company Clean Seas Tuna has reported a successful transfer of its young Southern Bluefin Tuna to offshore cages, marking a significant milestone in the company’s pioneering work breeding the fish in captivity. The young tuna, known as fingerlings, are now 8-10cm long, and have been weaned onto a specially-developed manufactured diet. 90 of the small fish were transferred to 25-metre offshore cages, with a similar number remaining in onshore nursery tanks. The transfer is a marked... ...Read more »

Clean Seas has returned a stronger-than-expected half-yearly result, with the company’s kingfish business generating cash flow for the first time. The company’s after-tax loss for the half year ending December 31 was $9.3 million, compared to $14.1 million in the previous half-year, and the company said it expects a positive impact on earnings in the current half year due to the nature of the lifecycle of the fish produced. The company attributed its results improvement to operational... ...Read more »

The hotly-anticipated spawning season for Southern Bluefin Tuna researchers Clean Seas Tuna has begun, with the company’s broodstock beginning spawning late last week. The company have come closer than any other establishment to successfully breeding the prized fish in captivity, with disappointment last year when none of the company’s young ‘fingerling’ tuna survived past 38 days. The company suffered further misfortune with the accidental death of a large number of its kingfish... ...Read more »

Cleanseas faces another blow, after announcing today that up to 80 tonnes of kingfish died at the company’s Arno Bay facility on Thursday last week, as a result of human error – a mistake that may cost the company up to $700,000. The fish died after a bathing round – a process designed to clean the farmed fish of parasites and reduce disease. This is the latest blow for the Port Lincoln company, taking a hit on the ASX in April after reporting the death of its tuna fingerlings at... ...Read more »

Australia’s Clean Seas Tuna face a setback after their half-yearly report sent share prices plummeting on Friday.  The company, whose goal is to raise the valuable Southern Bluefin Tuna entirely in captivity, had offered hope to a tuna market facing decreasing supplies and possible fishing bans; however, operational problems have plagued the company. In addition to revealing skyrocketing operating costs, the report showed that Clean Seas has been unable to rear young tuna or ‘fingerlings’... ...Read more »

Clean Seas Tuna has announced further progress in their bid to become the first company to successfully close the lifecycle of Southern Bluefin Tuna in captivity. The news comes three months after Southern Bluefin Tuna quotas were cut by 23% in Australia. “Clean Seas Tuna Ltd is pleased to advise its Southern Bluefin Tuna broodstock commenced spawning late last week and larval rearing has commenced,” Managing Director Clifford Ashby said in a statement to the ASX. “It is anticipated... ...Read more »

South Australian aquaculture pioneer Clean Seas Tuna believes they can replace Australia’s entire 23 per cent cut in Southern Bluefin Tuna (SBT) quota with sustainable aquaculture-bred SBT well within five years. Speaking at an international aquaculture science symposium being held in Adelaide today, Clean Seas founder and director, Hagen Stehr, said the company aimed to produce and commence grow-out of 25,000 Southern Bluefin Tuna juveniles at its land-based breeding facility at Arno Bay in... ...Read more »

Cleas Seas Tuna has received international recognition for their attempts to breed Southern Bluefin Tuna in captivity, with Time magazine naming it as the world’s second best invention of the year. Time magazine, one of the world’s most influential publications, named the work of the Australian aquaculture pioneer behind “the best and smartest and coolest thing built in 2009″ – NASA’s Ares 1 rocket – and ahead of the AIDS vaccine. Commenting on Clean Seas’... ...Read more »