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. albula is a fish species native to Europe. Introductions to the United States in the early 1800s failed to establish, however introductions to other countries outside its native range have had considerable negative impacts. Vendace are known to displace native species as well as alter the plankton community (reducing zooplankton diversity, individual zooplankter size, and zooplankton densities) of reservoirs and lakes where introduced. The species has also made major dietary shifts (including piscivory) to compensate for reduced zooplankton abundances following introductions. Climate match with the contiguous U.S. is medium with high match occurring in the Great Lakes. Overall risk for this species is high.
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High Risk
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