The Alien Chinese Mitten Crab, <i>Eriocheir Sinensis</i> (Crustacea: Decapoda: Brachyura), in the Thames Catchment

Clark, Paul F.; Rainbow, Philip S.; Robbins, Roni; Smith, Brian D.; Yeomans, W. E.; Thomas, M M; Dobson, Gina

doi:10.1017/s002531540004443x

Cited by 80 publications

(61 citation statements)

References 3 publications

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“…This crab is known to make physiological responses to salinity changes which can serve to offset changes in zinc speciation caused by such changes (see above). (2) Eriocheir sinensis, the Chinese mitten crab, an introduced alien in Britain, which spends its adult life in freshwater, migrating to river estuaries to breed (Clark et al 1998). These crabs are extremely euryhaline, tolerating the full range of salinities from freshwater to marine.…”

Section: Introductionmentioning

confidence: 99%

Effects of changes in salinity and osmolality on the rate of uptake of zinc by three crabs of different ecologies

Rainbow¹,

Black²

2002

Mar. Ecol. Prog. Ser.

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The effects of salinity and osmolality differences on the uptake rates of dissolved zinc were investigated in 3 crabs of different ecologies -the euryhaline common shore crab Carcinus maenas, the extremely euryhaline Chinese mitten crab Eriocheir sinensis, and a more stenohaline marine crab, the velvet swimming crab Necora puber. Reduced salinities caused increases in the zinc uptake rate of E. sinensis as expected from the free metal ion model, with increased free zinc ion availabilities in conditions of reduced chloride complexation. In the cases of C. maenas and N. puber, however, reduced salinity was associated with reduced zinc uptake, a result interpreted in terms of a physiological response by these crabs to low salinity offsetting the physicochemical effect of increased free zinc ion availability. Results can be partly explained by reported changes in apparent water permeability (AWP) made by the crabs to low salinity, although experiments manipulating solution osmotic pressures independently of salinity (and therefore chloride concentrations) indicate that other physiological responses may also be coming into effect. The interaction of physiology and physicochemistry in controlling trace metal uptake from solution clearly varies between species.KEY WORDS: Zinc uptake · Salinity · Osmolality · Crabs · Carcinus maenas · Eriocheir sinensis · Necora puber Resale or republication not permitted without written consent of the publisher

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Section: Introductionmentioning

confidence: 99%

Effects of changes in salinity and osmolality on the rate of uptake of zinc by three crabs of different ecologies

Rainbow¹,

Black²

2002

Mar. Ecol. Prog. Ser.

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“…In North America and Europe, however, it is a successful invasive species. Its European range stretches from Portugal and the U.K. to Finland and Russia (CABRAL and COSTA, 1999;CLARK et al, 1998;HAAHTELA, 1963;INGLE, 1986). Unlike the other two alien species, E. sinensis has also been recorded in terrestrial habitats during its migration, e.g.…”

Section: Alien Crayfish Distributionmentioning

confidence: 99%

“…Where the Chinese mitten crab became invasive in Europe or North America, the species greatly affected biodiversity, commercial fishing, angling, river bank erosion, especially in banks with steep gradient along sections with fluctuations in water level, e.g. below dams used for peak electricity production (CABRAL and COSTA, 1999;CLARK et al, 1998;HERBORG et al, 2003;INGLE, 1986). At present, no research programs exist on this species in Hungary.…”

Section: Alien Crayfish Distributionmentioning

confidence: 99%

Native and Alien Decapoda Species in Hungary:distribution, Status, Conservation Importance

Puky

Reynolds

Schád³

2005

Bull. Fr. Pêche Piscic.

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Three native (Astacus astacus, Astacus leptodactylus, Austropotamobius torrentium) and three alien (Orconectes limosus, Pacifastacus leniusculus, Eriocheir sinensis)Decapoda species have been found in Hungary so far. A. astacus is the most widespread Decapoda species in Hungary. A. leptodactylus might be considered as the least studied. The distribution of A. torrentium in Hungary is restricted to mountain streams with occasional data on its presence in the adjacent section of the River Danube. The indigenous species A. torrentium and, especially A. astacus, are declining while A. leptodactylus seems to have stable populations. The detection of alien species accelerated at the turn of the century: O. limosus was found at new sites, P. leniusculus was first recorded in the Gyöngyös-stream near the Austrian border in 2000, E. sinensis in the main arm of the Danube at Budapest in November 2003. As there is a lack of information even on the commonest species, conservation-oriented mapping is necessary to follow the distribution changes of Decapoda in Hungary.Key-words: crayfish, alien species, Hungary, distribution, conservation. LES DÉCAPODES INDIGÈNES ET EXOTIQUES EN HONGRIE

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“…This species has been present within the UK since 1935, introduced either through ballast water or intentional introduction, and had become well established by 1973 (Herborg et al, 2005). Subsequently E. sinensis numbers have increased greatly within the Thames (Clark et al, 1998;Gilbey et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Flexible prey handling, preference and a novel capture technique in invasive, sub-adult Chinese mitten crabs

2016

Self Cite

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Eriocheir sinensis (Crustacea: Brachyura: Varunidae) is one of only two crabs on the world's list of 100 most invasive aquatic invertebrates. This crab has successfully invaded NE Europe as well as the United States, eastern Canada, southern Iraq and Tokyo Bay, Japan. In England, the River Thames population of E. sinensis continues to increase in numbers and disperse westward upstream, although little is known about foraging. The present study undertook a preference and prey handling study of sub-adult mitten crabs collected from the Thames. A digital camcorder, capable of detecting infrared light, was used in the laboratory overnight to identify crab food preference, document prey handling times and record behaviour. The test prey species, namely the amphipod Gammarus zaddachi, and two species of gastropod molluscs, Theodoxus fluviatilis and Radix peregra, were collected in the same habitat as the crabs, and all were consumed under laboratory conditions. Eriocheir were able to capture mobile G. zaddachi using a novel prey capture technique not previously described in brachyurans and use different skills for handling each prey species. This flexibility in prey handling may be an important contributory factor in their freshwater invasive capacity. Results indicated that the crabs had a preference for G. zaddachi which were consumed most frequently and preferentially over both mollusc species. Prey choice may be based on maximising net energy gain as consuming G. zaddachi was shown to provide the highest rate of potential energy consumption by the crab due, in part, to a much shorter handling time than for both species of snails.

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The Alien Chinese Mitten Crab, Eriocheir Sinensis (Crustacea: Decapoda: Brachyura), in the Thames Catchment

Cited by 80 publications

References 3 publications

Effects of changes in salinity and osmolality on the rate of uptake of zinc by three crabs of different ecologies

Effects of changes in salinity and osmolality on the rate of uptake of zinc by three crabs of different ecologies

Native and Alien Decapoda Species in Hungary:distribution, Status, Conservation Importance

Flexible prey handling, preference and a novel capture technique in invasive, sub-adult Chinese mitten crabs

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