Ecological Risk Screening Summary - Blackspotted Stickleback (Gasterosteus wheatlandi) - Uncertain Risk

Gasterosteus wheatlandi is native to the Western North Atlantic Ocean, including the U.S. coastline from Maine to Massachusetts. It breeds in brackish (or occasionally fresh) water. It is not reported as being in trade or having human uses. No introductions of the species have been reported outside its native range. Climate match to marine coastal areas of the contiguous U.S. is high. Overall risk posed by this species is uncertain.

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.