UW News
Andrew Berdahl
June 29, 2022
‘Safety in numbers’ tactic keeps Pacific salmon safe from predators
A new University of Washington study that leverages historical data has found unique support for a “safety in numbers” hypothesis by showing that Pacific salmon in larger groups have lower risk of being eaten by predators. But for some salmon species, schooling comes at the cost of competition for food, and those fish may trade safety for a meal.
