2. If it is not cooked thoroughly, the probability of getting sick is very high. Oncomelania hupensis a kind of mollusk living in the wild, which is divided into male and female, amphibian, active in the temperature of 15-20℃, and mainly feeds on algae. Oncomelania hupensis consists of shell and software. The front part of the soft body is the head, neck, feet and mantle, and the back part is the internal organs.