New York Natural Heritage Program
Mossy Valvata
Valvata sincera Say, 1824
Gastropods

Threats [-]
This species has a wide distribution, presumed large population, lack of substantial immediate threats, and because it is not in decline or is unlikely to be declining fast enough to qualify for listing in a more threatened category. However, a recent assessment of freshwater Gastropods in North America revealed that 74% of the species are imperiled or already extinct and they have the highest modern extinction rate yet recorded--almost 10,000 times background rates (Johnson et al., 2013). The top threats to the group as a whole are; highly restricted ranges (narrow endemics), habitat destruction (hydrological alteration), and water pollution.

Conservation Strategies and Management Practices [-]
Presumably this species would benefit from efforts to clean up Onondaga Lake where only dead shells were found in the late 1960s (Harman and Berg 1971).

Research Needs [-]
As for all freshwater snails, this species would benefit immensely from a statewide inventory in order to determine basic distributional information.