The invading salmon could create a "nightmare" scenario if the adaptable fish out compete penguins and marine mammals already established in that ecosystem. According to National Geographic News ...

Penguin News contacted Chair of Unity Marine ... “In our view this form of salmon farming remains dominant in the industry for good reason, and it is forecast to grow well into the future.

schlegeli). In: Penguins: Natural History and Conservation (P Garcia-Borboroglu and PD Boersma, Eds.). University of Washington Press, Seattle. In press. Cooke SJ, Crossin GT, and Hinch SG. 2011.