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Spinycheek Crayfish, Orconectes limosus


Short description of Orconectes limosus, Spinycheek Crayfish

Spiny-cheek crayfish are a small to medium sized crayfish species, the largest specimens reaching just over 11cm long. They have distinctive spiny cheeks, legs with orange tips and striped abdomens, but are often coloured black from the sediment they live in.

Description of Orconectes limosus, Spinycheek Crayfish status in GB

A few populations of spiny-cheek crayfish have become established across scattered locations in England. Individuals appear to have been introduced by humans but there is evidence of spread from these initial sites.

Habitat summary: Orconectes limosus, Spinycheek Crayfish

Spiny-cheek crayfish are found in rivers, wide steams, ponds and lakes, and prefer calm and turbid waters to fast flowing. They are very tolerant of a wide range of environmental conditions and are able to cope with polluted canals and organically enriched lakes and ponds.

Overview table

Environment: Freshwater
Species status: Non-Native
Native range: New Brunswick, Qu├ębec, Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode I., Vermont, Virginia, West Virginia
Functional type: Omnivore
Status in England: Non-Native
Location of first record: catfish pond in Warwickshire, West Midlands
Date of first record: 2001

Distribution map

Map of the UK with areas shaded to show the UK distribution of Spinycheek Crayfish

GB Distribution from NBN Atlas

Author's name:

David Aldridge

Last updated:

October 2nd 2019

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