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Clean Seas Tuna Limited is an innovative state-of-the-art South Australian aquaculture enterprise, with strong links into the Tuna Fishing and fish farming industries. Clean Seas’ operations are situated in Port Lincoln, Fitzgerald Bay, Port Augusta and Arno Bay where our main onshore complex operates on a 400 hectare site. Clean Seas’ core business is the propagation of commercially bred Southern Bluefin Tuna, Mulloway and Kingfish for the domestic market and international consumption.
Using what is believed to be the only captive broodstock in the world, the team at Clean Seas are developing a commercial on-shore breeding facility. This is a major step towards realising the company’s long held goal of closing the life cycle of Southern Bluefin Tuna. When successful, within a decade this process could double the Southern Bluefin Tuna catch, without impacting on wild tuna stocks.
Clean Seas Tuna Limited has mature Southern Bluefin Tuna broodstock and direct access to the skills and expertise of its parent company and main shareholder -The Stehr Group. The Stehr Group was established in the early 1970’s and is recognised as an Australian leader and International pioneer in tuna fishing, ranching and offshore fish farming.
In 2004/2005 The Stehr Group produced in excess of:
650 tonnes of farmed Southern Bluefin Tuna.
600 tonnes of aquaculture-bred Kingfish.
200 tonnes of aquaculture-bred Mulloway.
Clean Seas Tuna is the first company in the world to successfully transfer large Southern Bluefin Tuna over large distances to its on shore facilities in Arno Bay.
Clean Seas assets include:
400 hectare site at Arno Bay.
Mature Southern Bluefin Tuna broodstock, Kingfish and Mulloway.
Kingfish and Mulloway broodstock facilities.
Two large finfish hatcheries capable of producing up to 1.2 million fingerlings per annum (run of up 400,000 fingerlings on an eight-week cycle).
Seawater supply system which includes a 4 megalitre retention dam.
Two x 50 metre x 20 metre x 2 metre flow-through grow out ponds.
Standby generators.
Four employee houses.
Office complex.
Two large industrial storage sheds used to store several thousand tonnes of feed.
10 hectare Southern Bluefin Tuna holding licence.
20 hectare 300 tonnes grow-out licence for either Kingfish or Mulloway.
State-of-the-art Tuna broodstock facilities.

Clean Seas Products are exported across the world to countries including:
Australia
United States
United Kingdom
France
Italy
Switzerland
Netherlands
Spain
Germany
Japan
The demand for Clean Seas' product is greater than it's ability to supply fish. This is due to the declining world-wide fish stocks and a growing global preference for Australia's "Clean and Green” seafood.
| Mr Hagen Stehr AO | Chairman |
| Mr Marcus Stehr | Managing Director |
| Sir Tipene O'Regan | Non-Executive Director |
| Mr Ian McLachlan AO | Non-Executive Director |
| Mr Paul Robinson | Non-Executive Director |
| Mr Frank Knight | Company Secretary |
Company AddressArno Bay, South Australia, Australia
|
Additional Address/Key ContactStehr Group Pty Ltd Telephone +61 8 8682 2922 |