Sympatric predator detection alters cutaneous respiration in Lymnaea

M. Orr,K. Lukowiak

Published 2010 in Communicative & Integrative Biology

ABSTRACT

The ability of an organism to detect a predator and then to take the appropriate vigilance actions is paramount for survival of the species. Lab-reared snails (> 250 generations) maintain their ability to detect predators and alter both aerial and cutaneous respiration. However, only the scent of a sympatric predator altered aerial respiration in freshly collected ‘wild’ snails. Here we test the hypothesis that the detection of a sympatric predator but not an allopatric predator will alter cutaneous respiration in freshly collected ‘wild’ snails. We find that Alberta snails while altering their cutaneous respiration to the scent of a sympatric predator (Tiger salamander) do not alter respiration to the scent of a crayfish (an allopatric predator). In Dutch snails there is a greater alteration to the scent of crayfish (sympatric predator) than to an allopatric predator (Tiger salamander).

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