Chinese mystery snails (Cipangopaludina chinensis) can form dense populations and outcompete native species for food and habitat in lakes and streams. They are intermediate hosts for parasitic worms and can transmit trematodes that kill waterfowl.
Chinese Mystery Snail Effects - paper on distribution and community-level effects of the Chinese mystery snail in northern Wisconsin lakes.
Mystery Snails (Chinese, Japanese and Banded) - from Wisconsin Sea Grant covers identification and general characteristics of the species along with what you can do to help.
Are Chinese Mystery Snails Edible? from eXtension covers whether it is safe to eat this species.
Challis Mathes
Horticulture Resource Educator/Team Lead
cjm438@cornell.edu
585-753-2557
Last updated April 19, 2025