<< the presence of large predatory fish reduced stress levels in baby prey fish by more than a third, by scaring off midsize predators >.
Tanya Lewis. Small Fish Comforted By Big Predators. Baby fish show fewer signs of stress in the presence of large fish that scare off midsize predators. April 28, 2016
Maria M. Palacios, Shaun S. Killen, et al. Top predators negate the effect of mesopredators on prey physiology. Journal of Animal Ecology. 25 April 2016. DOI:10.1111/1365-2656.12523