Mud snakes are listed as national three possessions protected animals, and are also not allowed to be caught, sold, or eaten at will. Three have refers to: beneficial, important economic value, scientific research value. Mud snakes are micro-venomous snakes, which have a good inhibitory effect on individual sensitive skin with redness, swelling and itching. Its gallbladder can be used as medicine, and its effect is even more remarkable for children with whooping cough and chronic gastritis.

Mud snakes usually live in creeks, swamps, ditches, rice fields And in ponds, inhabit under aquatic plants in freshwater waters, in silt or in watery caves, and feed on freshwater omnivorous fish and frogs.