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Eriocheir sinensis Chinese Mitten Crab

Eriocheir sinensis Chinese Mitten Crab. Persephanie Mantilla. Natural History. Medium- sized, burrowing crab Spends most of their life in fresh water, but can also live in salt water regions They make significant inland migration They have been found hundreds miles away from the sea

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Eriocheir sinensis Chinese Mitten Crab

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  1. EriocheirsinensisChinese Mitten Crab Persephanie Mantilla

  2. Natural History • Medium- sized, burrowing crab • Spends most of their life in fresh water, but can also live in salt water regions • They make significant inland migration • They have been found hundreds miles away from the sea • They take residence in swimming pools

  3. Native in… • Native in coastal estuaries of eastern Asia to Korea in the North • Native in coastal estuaries of the Fujian province of China in the South • It was introduced to Europe and North America as in invasive species

  4. When was it brought here • They were brought here by ship ballast water • Also thought to be from live releases • Since 1965 they were reported in the Great Lakes • Early 2007 they were spotted in the Hudson River

  5. Impact • They compete with our native blue crabs in the Hudson River • Their burrowing threaten stream banks, ruin dam stability, promote erosion and habitat loss • Burrowing clogs drainage systems • Affect flooding events • They damage fishing nets • They have the potential to damage rice crops

  6. Control/Prevent • Placing traps on the upstream side of dams • Insulate the dam habitats with fish and other species • Sealing their burrows • Catching their eggs as they lay them • Electrical screens were installed on the river bottom • Pulses were used to disable and kill the crabs, it was unsuccessful

  7. Works Cited • "Chinese Mitten Crab in the Hudson River Estuary." NYS Dept. of Environmental Conservation. NYS. Web. 15 Nov 2013. • Wikipedia contributors. "Chinese Mitten Crab ." Wikipedia, The Free Encyclopedia. 16 Oct 2013. • Crosier, Dani, and Dan Malloy. "Chinese Mitten Crab ." ANS Task Force. N.p.. Web. 15 Nov 2013. • Gollasch, Stephan. "Eriocheirsinensis (crustacean) ." n.pag. Global Invasive Species Database. Web. 15 Nov 2013.

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