Misgurnus anguillicaudatus belongs to Misgurnus. Misgurnus anguillicaudatus, known as "ginseng in water", is distributed all over southern China, but it is not common in the north, but it can also be seen everywhere. It can be harvested all year round, most in summer. After the loach is caught, it can be eaten raw or dried. Misgurnus anguillicaudatus lives in lakes and swamps. It is very small, only three or four inches long. It is round and short, with small scales under its skin, blue and black in color, and covered with its own mucus, which is too greasy to hold.

Misgurnus anguillicaudatus is a fish with high nutritional value. It is different from other fish in appearance, body shape and living habits. This is a special kind of loach. The body is slender and the front section is slightly cylindrical. The back side is flat, the abdomen is round, the head is small, the mouth is small, and the lower part is horseshoe-shaped. The eyes are small and there are no thorns under them. It must be five pairs. Scales are tiny and round and buried under the skin. The back and sides of the body are grayish black, and there are many small black spots all over the body. There are also many black spots on the head and fins. The spots on the dorsal fin and caudal fin membrane are arranged in rows, and there is an obvious black spot at the base of caudal stalk. Other fins are grayish white. Misgurnus anguillicaudatus is widely distributed in China, Japan, North Korea, Russia and India along the coast of Asia, and it can be eaten or used as medicine.