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 pallidus is a crayfish species only recorded from the Wissel Lakes in West Papua, Indonesia. It has an overall low climate match to the contiguous U.S. and there is no recorded history of introduction outside its native range. Florida and Washington prohibit possession or trade of C. pallidus. The overall risk assessment is uncertain because of the significant lack of information about the species, including its potential to cause harm if introduced to a new location.
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Uncertain Risk
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