Japanese Mystery Snail (Heterogen japonica)

Japanese Mystery Snail, a reference photo — Photo: Saito T, Kagawa O (2020) New insights from museum specimens: a case of Viviparidae (Caenogastropoda: Mollusca) in Iwakawa’s collection preserved in the National Museum of Nature and Science, Tokyo. Bi · CC BY 4.0 (licence)

Heterogen japonica, sometimes known as the Japanese mystery snail, is a species of freshwater snail in the family Viviparidae. While native to Japan, Korea, and Taiwan, the snail is invasive to the United States and possibly other countries.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Japanese Mystery Snail being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Margarya chinensis
Sinotaia quadrata
Viviparus acerosus
Viviparus contectus
Viviparus ater

Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Architaenioglossa
Family: Viviparidae
Genus: Heterogen
Species: Heterogen japonica

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