The newly formed Global Alliance Against Industrial Aquaculture unveiled the ads -- which use graphic images similar to those used in warnings against smoking — at an international seafood conference in Vancouver this week.

"Salmon farming kills around the world and should carry a global health warning," said Don Staniford, GAIAA co-ordinator. "We'll be rolling out the ad campaign later this month in newspapers across B.C. with donations from the general public, concerned fishermen and First Nations."

The ads, which carry such slogans such as "salmon farming kills workers" and "salmon farming is just wrong."