The daily timing of lamprey attacks |
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Authors: | Philip A. Cochran |
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Affiliation: | (1) Center for Limnology, University of Wisconsin, Madison, WI, 53706, U.S.A.;(2) Present address: Division of Natural Sciences, St. Norbert College, De Pere, WI, 54115, U.S.A. |
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Abstract: | Synopsis Laboratory and field data suggest that several species of parasitic lampreys forage primarily at night, but data forPetromyzon marinus are equivocal. Nocturnal foraging may minimize predation risk. This may be particularly important to those species of lampreys that inhabit shallow streams. Nocturnal foraging also may enhance foraging efficiency if potential hosts at night are quiescent and more easily approached. Future experiments should be designed to avoid several potential sources of bias. |
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Keywords: | Petromyzontidae Icthyomyzon Lampetra Petromyzon Predator/prey Nocturnal foraging |
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