1, Appearance characteristics: there are thick wart grains on both sides of the base of the neck and the front edge of the carapace, and the front of the head is thin and the snout is prominent, forming a snout; Soft-shelled turtle tends to be oval in shape as a whole, and there are no obvious canthus and wart on both sides of the base of the neck, and the front edge of the carapace is smooth and there are no granular protrusions.

2. Living habits: Shanrui is gentle, slow in action and less aggressive; Turtle is very active, agile and aggressive.