The influence of body size on foraging facilitation and kleptoparasitic behavior in the green crab (Carcinus maenas)

Boudreau, Melanie L.; Boudreau, Melanie R.; Hamilton, Diana J.

doi:10.1016/j.jembe.2013.10.009

Cited by 8 publications

(13 citation statements)

References 32 publications

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“…, Boudreau et al. ) or simply loss of greater amounts of consumer biomass. However, this explanation unlikely applies to our analysis as size ratios between consumers did not show any effect on resource removal.…”

Section: Discussionmentioning

confidence: 99%

Effect of consumer loss on resource removal depends on species‐specific traits

Hodapp

Hillebrand

2017

Ecosphere

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Citation: Hodapp, D., and H. Hillebrand. 2017. Effect of consumer loss on resource removal depends on species-specific traits. Ecosphere 8(3):e01742. 10.1002/ecs2.1742Abstract. Negative effects of species loss on ecosystem functioning within and across trophic levels have been demonstrated across systems and organism groups. Recent meta-analyses showed that lower levels of consumer diversity lead to a reduction in resource removal. The strength of these effects seems to strongly depend on species identity, that is, species-specific traits, resulting in a variety of consumer interactions ranging from facilitating to strongly antagonistic effects. For a general test of trait-based effects of species loss, we conducted a meta-analysis on resource experiments including two consumer species. We calculated effect sizes of losing one of the two species, and related these to variables describing species' traits and experimental design. Our results show that loss of one species on average reduces resource removal supporting the hypothesis that loss of certain species-specific traits cannot fully be compensated for by biomass increases of the remaining consumer. However, the investigation of various consumer traits including body size did not allow for generalizations on the effect of loss of a certain consumer trait on resource removal.

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Section: Discussionmentioning

confidence: 99%

Effect of consumer loss on resource removal depends on species‐specific traits

Hodapp

Hillebrand

2017

Ecosphere

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“…This is particularly apparent in the case of intraguild predation (IGP), when one predator (called the intermediate predator ) is also a potential prey item of another (the top predator ) that feeds on the same prey species (Polis & Holt 1992, Arim & Marquet 2004. IGP frequently occurs among predators of bivalves, most notably between crabs (Crustacea: Decapoda: Brachyura or Anomura) and shell-drilling or -boring gastropod molluscs, such as whelks, wherein these gastropod predators may also be preyed on by crab predators (Vadas et al 1994, Aschaffenberg 2008, Boudreau et al 2013.…”

Section: Introductionmentioning

confidence: 99%

“…This reduced feeding rate results in greater impairment of gastropod feeding than would result from competition with crabs alone (Quinn et al 2012, Wong et al 2012, leading to less gastropod-induced mortality of bivalve prey (Hamilton 2000, and other effects (Quinn et al 2012, Wong et al 2012, Morgan et al 2016. IGP scenarios also create the possibility of there being further complex interactions between predators of bivalves, including positive interactions or facilitation [when one predator feeds more in response to the other s presence (Daleo et al 2005, Wong et al 2012], as well as kleptoparasitism and scavenging interactions (Boudreau et al 2013, Quinn & Boudreau 2016. Kleptoparasitism refers to an interaction in which one organism (the kleptoparasite) obtains some resource already acquired by another (the host) by stealing it (Barnard & Sibly 1981), including when one predator steals a prey item acquired by another (Iyengar 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Both are opportunistic trophic strategies that allow a consumer to obtain food at less cost (search and handling time, risk, etc.) than if they preyed on it themselves (Barnard & Sibly 1981, Iyengar 2008, Quinn et al 2012Boudreau et al 2013). In the case of kleptoparasitism, the host consumer also suffers a heavy loss due to the theft of its food, representing an extreme case of interference competition (Smallegange et al 2006).…”

Section: Introductionmentioning

confidence: 99%

“…In a recent series of studies, such interactions were observed between green crabs [Carcinus maenas (L., 1758)] and dogwhelks ([Nucella lapillus (L., 1758)] feeding on blue mussels (Mytilus spp. ), both in the crab s native (Mor-ton 2011) and invasive ranges (Quinn et al 2012, Boudreau et al 2013, Quinn & Boudreau 2016, Boudreau et al 2018, which had interesting implications to the species involved. These mussels were initially attacked by one or more dogwhelks, which weakened them and caused their shells to gape; this, in turn, made it easier for a crab to break into the weakened mussel and consume it (Quinn et al 2012).…”

Section: Introductionmentioning

confidence: 99%

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Potential kleptoparasitism-scavenging interactions between crabs and shell-boring gastropods feeding on bivalve prey: a global survey

Quinn

2020

Plankton Benthos Res

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Shell-boring gastropod molluscs and crabs are important predators of many bivalve molluscs, and impact bivalve populations and food webs. When gastropods and crabs target the same bivalve prey, complex interactions between them arise that mediate their impacts. Kleptoparasitism and scavenging (K-S) interactions result when one predator, usually the gastropod, loses or abandons its prey, which is then stolen or scavenged by the other. Such interactions have thus far only been reported among nine crab-gastropod species groups when they fed on shared bivalve prey, but potentially occur among many others. This study used the Global Biotic Interactions (GloBI) database to search for records of shell-boring gastropods and crabs preying on the same bivalve to identify tritrophic bivalve-crab-gastropod systems in which K-S interactions may occur. In total, 871 such systems were found, which included 58 bivalve species that were each eaten by 1-8 species of shell-boring gastropods and 1-19 species of crabs. In the vast majority of these systems (>99%), no previous report of K-S interactions has been published, although in 334 cases the gastropod and crab have been reported to undergo competitive or predator-prey interactions, which may indicate that K-S and other complex interactions occur among them. The tritrophic systems identified in the present survey should be investigated in future studies to determine whether the identified crab and gastropod taxa do in fact undergo K-S interactions. Doing so will enable the development of a theoretical framework for assessing the occurrence, evolution, utilization, and impacts of these interactions in natural systems.

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Kleptoparasitism and scavenging by the invasive green crab (Carcinus maenas) have different impacts on native species

Quinn

Boudreau

2016

Mar Biol

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The influence of body size on foraging facilitation and kleptoparasitic behavior in the green crab (Carcinus maenas)

Cited by 8 publications

References 32 publications

Effect of consumer loss on resource removal depends on species‐specific traits

Effect of consumer loss on resource removal depends on species‐specific traits

Potential kleptoparasitism-scavenging interactions between crabs and shell-boring gastropods feeding on bivalve prey: a global survey

Kleptoparasitism and scavenging by the invasive green crab (Carcinus maenas) have different impacts on native species

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