The water source should be sufficient, and the water depth is about 1 m. Ponds must have sufficient water, good water quality and convenient water intake and drainage, and the area is generally 3 mu to 5 mu.
The embankment should have a certain slope, and the width of the embankment should be greater than 1.5 m to avoid crayfish escaping, and an escape wall or escape board with a smooth inner wall of 0.5 m should be set around the embankment.
Crayfish is a kind of freshwater economic shrimp, which is widely welcomed by people because of its delicious meat. Because of its omnivorousness, fast growth and strong adaptability, it has formed an absolute competitive advantage in the local ecological environment.