Behavioural and physiological responses of limpet prey to a seastar predator and their transmission to basal trophic levels

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Abstract

We suggest that in order to understand the total non-consumptive effect of predators in natural communities, it is necessary to evaluate not only short-term behavioural responses, but also the costs associated with the multiple interdependent pathways triggered by predator-induced stress, and determine how individuals cope with these costs in the long term.

In an intertidal predator–prey system, the authors investigate the interplay among behavioural and physiological responses to predator-induced stress, demonstrating important energetic costs that can have long-lasting effects and can be transferred through the community.

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