Operation of fish farms, in particular production of fish and trade in fish and fish products as well as provision of environmental services. May establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad, as well as conduct all business that is directly or indirectly related to its purpose, furthermore acquire, encumber, sell and manage real estate in Switzerland and abroad, also arrange financing for its own account or for third-party account and provide guarantees and sureties for subsidiaries and third parties.