Agonistic interactions between the invasive green crab, Carcinus maenas (Linnaeus) and juvenile American lobster, Homarus americanus (Milne Edwards)

Rossong, Melanie A.; Williams, P. James; Comeau, Michel; Mitchell, S.C.; Apaloo, Joseph

doi:10.1016/j.jembe.2005.09.007

Cited by 88 publications

(54 citation statements)

References 29 publications

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“…Several studies have shown that green crabs prey upon or displace native crustaceans from their habitat (McDonald et al 2001;Jensen et al 2002;Rossong et al 2006;Williams et al 2009). This may become the case for mud crabs (Dyspanopeus sayi Smith, 1869), a small species native to Canada that is well established in habitats like sandy and muddy sediments and oyster beds.…”

Section: Introductionmentioning

confidence: 99%

Hide and seek: habitat-mediated interactions between European green crabs and native mud crabs in Atlantic Canada

et al. 2016

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Section: Introductionmentioning

confidence: 99%

Hide and seek: habitat-mediated interactions between European green crabs and native mud crabs in Atlantic Canada

et al. 2016

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“…In laboratory experiments adult green crabs were able to physically compete with and, in many cases dominate larger, heavier lobsters [226]. In addition to consuming small juvenile lobsters green crabs curtail the overall foraging activity and shelter use by lobsters [159,227,228]. In Passamaquoddy Bay in the Bay of Fundy, St. George's Bay in the Northumberland Straight and Chedabucto Bay on the Scotian Shelf the magnitude of the predatory effect of green crabs on lobsters varies and is correlated with the genetic origins of the invasive populations [229].…”

Section: Competitorsmentioning

confidence: 99%

PopulationDynamics of Green Crabs (Carcinus maenas) -- A Review

Young¹,

Elliott²

2018

Preprint

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Carcinus maenas (the "shore crab" or "European green crab") is a very proficient invader (considered to be one of the world's 100 worst invaders by the IUCN) due to its phenotypic plasticity, wide temperature and salinity tolerance, and an extensive omnivorous diet. Native to Atlantic Europe, it has established two well-studied nonindigenous populations in the northwestern Atlantic and northeastern Pacific and lessstudied populations in Australia, Argentina and South Africa. Green crabs are eurythermal and euryhaline as adults, but they are limited to temperate coastlines due to more restrictive temperature requirements for breeding and larval development. They cannot tolerate wave-swept open shores so are found in wave-protected sheltered bays, estuaries and harbors. C. maenas has been the subject of numerous papers, with over 1000 published in the past decade. This literature review provides an up-to-date account of the current published information on the population dynamics of this very important species, including habitat preferences, physical parameter tolerances, reproduction and larval development, sizes of crabs, densities of populations, sex ratios, ecosystem dynamics and ecological impacts in the various established global populations of green crabs.

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“…Many studies have focused on the impact of non-native predators on community structure and function (Shiganova et al 2001, Dick et al 2002, Rossong et al 2006). Here we showed that non-native prey surely can have an impact on the existing predator-prey interactions as more of them are eaten compared with the native prey species.…”

Section: Ecological Implicationsmentioning

confidence: 99%

Predation by crustaceans on native and non-native Baltic clams

Ejdung

Flach²,

Byrén³

et al. 2009

Aquat. Biol.

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We studied the effect of crustacean predators on native/non-native Macoma balthica bivalves in aquarium experiments. North Sea M. balthica (NS Macoma) were recently observed in the southern Baltic Sea. They differ genetically and in terms of morphology, behaviour and evolutionary history from Baltic Sea M. balthica (BS Macoma), and this may affect predation pressure and community structure. We hypothesised that predators consume more of the prey they co-exist with. NS Macoma and BS Macoma were exposed to crustacean predators common in the North Sea (Carcinus maenas and Crangon crangon) and in the Baltic Sea (C. crangon and Saduria entomon). Contrary to our hypotheses, the North Sea predators ate more BS Macoma, and S. entomon ate more NS Macoma. The crush-limited C. maenas preyed more on globular BS Macoma, whereas S. entomon, which do not crush but pry open the bivalve shell, ate more NS Macoma, which have a lighter (thus probably thinner) shell than BS Macoma. When NS and BS Macoma were offered together, BS Crangon ate more NS Macoma. We also studied BS Crangon consumption of M. balthica to assess whether sizes offered fall within the size spectrum that C. crangon can eat. Small (20 to 40 mm long), medium (40 to 50 mm) and large (50 to 60 mm) C. crangon especially ate small M. balthica. Differences in shape, size and meat/shell weight ratio between the BS and NS Macoma partly explained the differences in the susceptibility to predation by native and non-native predators.

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Agonistic interactions between the invasive green crab, Carcinus maenas (Linnaeus) and juvenile American lobster, Homarus americanus (Milne Edwards)

Cited by 88 publications

References 29 publications

Hide and seek: habitat-mediated interactions between European green crabs and native mud crabs in Atlantic Canada

Hide and seek: habitat-mediated interactions between European green crabs and native mud crabs in Atlantic Canada

PopulationDynamics of Green Crabs (Carcinus maenas) -- A Review

Predation by crustaceans on native and non-native Baltic clams

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