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Predator-induced vertical behavior of a ctenophore

Journal article
Authors Josefin Titelman
Lars Johan Hansson
Trygve Nilsen
Sean P. Colin
John H. Costello
Published in Hydrobiologia
Volume 690
Issue 1
Pages 181-187
ISSN 0018-8158
Publication year 2012
Published at Department of Biological and Environmental Sciences
Pages 181-187
Language en
Links dx.doi.org/10.1007/s10750-012-1056-...
Keywords Beroe spp., Mnemiopsis leidyi, Ctenophore, Behavior, Vertical distribution, Predator-prey, mnemiopsis-leidyi ctenophora, jellyfish cyanea-capillata, invasive, ctenophore, chrysaora quinquecirrha, chemoreceptor cells, population-dynamics, narragansett bay, aurelia-aurita, beroe-cucumis, rhode-island
Subject categories Marine ecology

Abstract

Although many studies have focused on Mnemiopsis leidyi predation, little is known about the role of this ctenophore as prey when abundant in native and invaded pelagic systems. We examined the response of the ctenophore M. leidyi to the predatory ctenophore Beroe ovata in an experiment in which the two species could potentially sense each other while being physically separated. On average, M. leidyi responded to the predator's presence by increasing variability in swimming speeds and by lowering their vertical distribution. Such behavior may help explain field records of vertical migration, as well as stratified and near-bottom distributions of M. leidyi.

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Utskriftsdatum: 2020-04-02