Viviparus chui

Location:
Baiyupao wetland park, Xichaoxiantun, Juyuan, Daowi, Haerbin, Heilongjiang, China
In river on muddy bottom at 0,5 meter deep; 9 October 2020
45°53'49.0"N 126°53'34,5"E

Size - Grade:
22,47 mm - F++

Lip damaged.