2010
DOI: 10.1073/pnas.1003170107
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Stealth predation and the predatory success of the invasive ctenophore Mnemiopsis leidyi

Abstract: In contrast to higher metazoans such as copepods and fish, ctenophores are a basal metazoan lineage possessing a relatively narrow set of sensory-motor capabilities. Yet lobate ctenophores can capture prey at rates comparable to sophisticated predatory copepods and fish, and they are capable of altering the composition of coastal planktonic communities. Here, we demonstrate that the predatory success of the lobate ctenophore Mnemiopsis leidyi lies in its use of cilia to generate a feeding current that continuo… Show more

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Cited by 84 publications
(95 citation statements)
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“…The alternative explanation that fluid disturbance caused by the predator elicited a response seems unlikely because M. leidyi themselves created considerable fluid motion (Colin et al, 2010) in both treatments. Regardless of the nature of the cue involved, our results indicate that M. leidyi may actively adjust their position in the water column in response to remote cues and perceived risk from predators.…”
Section: Discussionmentioning
confidence: 99%
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“…The alternative explanation that fluid disturbance caused by the predator elicited a response seems unlikely because M. leidyi themselves created considerable fluid motion (Colin et al, 2010) in both treatments. Regardless of the nature of the cue involved, our results indicate that M. leidyi may actively adjust their position in the water column in response to remote cues and perceived risk from predators.…”
Section: Discussionmentioning
confidence: 99%
“…There were no differences in mean M. leidyi length between trials (ANOVA, F 5,54 = 0.426, P = 0.829). The flow patterns in the tank were not quantified; however, we assume that the water circulation caused by 10 M. leidyi in the tank by far exceeded that of one B. ovata (Colin et al, 2010).…”
Section: Methodsmentioning
confidence: 99%
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“…Quantitative flow was measured in the laboratory by using 2D digital particle image velocimetry (DPIV) following the methods of Colin et al (2010). Individual medusae were placed into filtered seawater seeded with 10-m hollow glass beads.…”
Section: Video Recordingmentioning
confidence: 99%
“…For most pelagic predators, predation is a function of encounter volume rate (EVR), defined as the volume of water the predator can search per unit time (Gerritsen and Strickler, 1977;Kiørboe, 2008Kiørboe, , 2011Colin et al, 2010). The manner in which medusae interact with their surrounding fluid affects their EVR and, therefore, their predation, because medusa feeding and swimming are interrelated processes (Mills, 1981;Daniel, 1983Daniel, , 1985Costello, 1992;Costello andColin, 1994, 1995;Sullivan et al, 1994;Ford et al, 1997;D'ambra et al, 2001).…”
Section: Introductionmentioning
confidence: 99%