Oncomelania minima

Oncomelania minima is a species of freshwater snail, an aquatic gastropod mollusk in the family Pomatiopsidae.

Distribution
This species occurs in Ishikawa Prefecture and in Sado Island, Niigata Prefecture, Japan.

It is Vulnerable species in Japan.

Ecology
Oncomelania minima is a freshwater species which inhabits mountain streamlets.