Escapes: Net-pens are poor containment structures and escaped farmed salmon can compete with wild salmon for food and spawning habitat

Nets can tear and when they do, farmed salmon escape through the holes. Over one million farmed salmon escaped into B.C. waters between 1987 and 1996. Efforts to improve the situation have met with only marginal success. In 2008, 111,000 farmed salmon were reported to have escaped from salmon farms in B.C. In 2009, one escape of 47,000 Atlantic salmon was not reported to the public until after fishermen began catching Atlantic salmon in their nets. At the end of 2010 another 15,700 Atlantic salmon escaped into B.C.

A Case Against Open-Net Salmon Farms - Fly Fisherman

Salmon escaped from Cooke Aquaculture farm, company confirms

1,000 farm-raised salmon escape from Canadian pen, some captured at New Brunswick dam

Behavioral data of adult male and female Atlantic salmon in an

Washington State's Great Salmon Spill and the Environmental Perils of Fish Farming

Letter: The need for a transition and removal of open-net pen fish farms from B.C. waters

ASF - All salmon raised in open net-pens is environmentally unsustainable

PDF) Fugitive Salmon: Assessing the Risks of Escaped Fish from Net-Pen Aquaculture

Genetic mixing Against the current