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Round Pigtoe (Pleurobema Sintoxia)

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COSEWIC
Assessment Summary

 

Assessment Summary – May 2004

Common name:

Round pigtoe

Scientific name:
Pleurobema sintoxia

Status:
Endangered

Reason for designation:
Species limited to a small area of occupancy in the Lake St. Clair and three watersheds in southern Ontario with continuing declines in habitat area, extent and quality. Threats include urban, industrial and agricultural development and irreversible impacts from zebra mussels in Lake St. Clair, with potential threats from introduction of zebra mussels in impoundments in the Sydenham River.

Occurrence:
Ontario

Status history:
Designated Endangered in May 2004. Assessment based on a new status report.