Tassal Group Limited (ASX:TGR) is involved in the hatching, farming, processing, sales and marketing of Tasmanian Atlantic Salmon. Its operations are based on the west coast of Tasmania. The company is the largest Australian producer and marketer of salmon. We have researched the ethical aspects of fish farming, including the possible effects of antibiotics on consumers. Tassal comes up positively. The company even gets a tick from local environmentalists and the local green politician.