Species that are considered high risk have a well-documented history of invasiveness in at least one location globally, and a high or medium climate match to the contiguous United States.
C. peled is a fish species native to Europe and Asia. Introductions to countries outside its native range have sometimes resulted in established populations. C. peled has negative impacts on native Coregonus sp. through hybridization. Climate match with the contiguous U.S. is high with significant matches occurring in the Great Lakes. Overall risk for this species is high.
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High Risk
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