Make way for Frankenfish

In Cuzco we were sleeping in a hostel called "Royal Frankenstein". It had a scary, Frankenstein related interior design. It also had an aquarium with two grim faced large fish. And this is a newspaper clip that was attached to the aquarium:

So what happens to these ordinary salmon if the genetically modified lunkers ever get loose? The whole article wasn't there, and it would have remained a mystery if I hadn't found the following article: Make way for Frankenfish