There are creatures in it. I think it has everything about the Yellow River, including fish, shrimp, crabs, algae, snails, aquatic plants and countless kinds of microorganisms, and possibly amphibians.

Leptospira, Chinese name Leptospira, also known as flower fish and golden plate fish, belongs to the genus Leptospira of Salmonidae and is a national second-class protected animal. In Hebei province, it is distributed in Xiaoluan River, Ruyi River and Yixun River in the north of Chengde.