Farmed Atlantic salmon are regarded to sometimes escape from cages and enter the habitat of wild populations. Interbreeding amongst escaped farm fish and wild fish decreases genetic range and introduces "the prospective to genetically change indigenous populations, lower regional adaptation and negatively have an impact on population viability and character".[41] https://atlanticcodfishery10986.tinyblogging.com/the-basic-principles-of-where-to-buy-freshwater-salmon-75565718