Ecological Risk Screening Summary - Glossy Koonac (Cherax glaber) - Uncertain Risk

Species that are considered uncertain risk need a more in-depth assessment beyond the Risk Summary to better define the species’ risk to U.S. environments.

Cherax glaber is a crayfish with a restricted native range in southwestern Western Australia. Little is known about the biology of C. glaber. The species has potential commercial value as a food source or aquarium pet. No introductions of C. glaber have been reported, so impacts of introduction remain unknown. The Florida Fish and Wildlife Conservation Commission and the Washington Department of Fish and Wildlife have listed the crayfish C. glaber as a prohibited species. Climate match to the contiguous U.S. is low overall, with highest match occurring along the Pacific Coast of California. Overall risk posed to the contiguous U.S. by C. glaber is uncertain.