This is an example of how "selfish herd" theory gets into a feedback loop.
#Fishes often use
#shoaling for improved mating success, foraging, or safety in numbers. However, sometimes many groups collect, getting too large and actually attract large numbers of predators. In this Norwegian study using multibeam
#acoustics, Atlantic
#Cod congregate on a very large shoal of
#Capelin, and consume the lot in one of the largest predation events recorded.
#Science #Oceanographyhttps://phys.org/news/2024-10-oceanographers-largest-predation-event-ocean.html