Introduced to European Russia by Soviet scientists, climate change has allowed the pink salmon to boom in northern Norway and now it is turning up in British rivers

Scientists are braced for a record number of invasive Pacific pink salmon to arrive in Britain this summer, amid fears that the fish will become established and start breeding.

There are concerns that the pinks could outcompete the already struggling Atlantic salmon for prey and territory and that they could potentially introduce new diseases and parasites to the native population.

“They’re a Pacific salmon, they should be in the Pacific Ocean, but they are now the dominant species in certain northern Norwegian rivers. That’s frankly scary,” Mark Bilsby, chief executive of the Atlantic Salmon Trust told i.