Ecological Risk Screening Summary - Orange-Fingered Yabby (Cherax depressus) - 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 depressus is a common crayfish in many freshwater habitats of coastal northeastern Queensland, Australia. The history of invasiveness for this species is uncertain because no introductions have been reported. The Florida Fish and Wildlife Conservation Commission and the Washington Department of Fish and Wildlife have listed the crayfish Cherax depressus as a prohibited species. Climate match to the contiguous U.S. indicates a medium match overall, with Florida and Texas having the highest matches. Overall risk assessment of Cherax depressus to the contiguous U.S. is uncertain.