Ecological Risk Screening Summary - Sinanodonta ogurae (a bivalve, no common name) - 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.

Sinanodonta ogurae is a freshwater bivalve native to the Lake Biwa area of Japan. This species has recently been treated as a synonym of S. tumens by some sources. The overall climate match with the contiguous United States was High, especially in the southern and eastern regions. It is not known to be in trade and there are no records of introductions. The history of invasiveness is classified as No Known Nonnative Population. This assessment has a Low certainty because of the general lack of information about S. ogurae and recent literature placing doubts on its taxonomic status. The overall risk assessment category is Uncertain.