Super shoals of mackerel are 'biggest threat' to wild salmon - The Times

Super shoals of mackerel are 'biggest threat' to wild salmon - The Times

The Times

Super shoals of mackerel are 'biggest threat' to wild salmon The Times Wild salmon are under threat around Scotland's shores from huge shoals of mackerel, an expert has claimed. Fish farming, climate change, preying by seals and overfishing have all been blamed for the decline in the past. Now scientists say that mackerel ...