Temperature Affects Susceptibility of Intertidal Limpets to Bird Predation

April 20, 2020 | Biology

To keep you updated on current Biology industry news, Lab.Equipment has sourced this interesting article from Journal of Experimental Biology for you:

Rachel J. Pound, Luke P. Miller, Felicia A. King, and Jennifer L. Burnaford

High temperatures resulting in physiological stress and the reduced ability to resist predation can have life-or-death consequences for an organism. We investigated the effects of temperature on the susceptibility to predation for an ectothermic intertidal mollusc (the owl limpet, Lottia gigantea) and its predator (the black oystercatcher, Haematopus bachmani). The ability of L. gigantea to resist bird predation during low tide is determined by the tenacity of attachment to the rock. We developed a transducer to measure the force of predatory attacks on limpets by a captive black oystercatcher, and tested the hypothesis that exposure to warm temperatures during low tide emersion would affect the limpet's ability to resist dislodgement in trials with a morphometrically accurate beak mimic and a live bird. In beak mimic trials, four times as many limpets exposed to warm low... More of this in the Journal of Experimental Biology Blog.

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