Do shad catch deep water or shallow water?

When the temperature is higher than 15, shad should be caught in shallow water, and when it is lower than 15, shad should be caught in deep water.

Shad, also known as shad, belongs to CYPRINIDAE, with horny scales and toothless body, and is rich in protein. It lives in rivers with high water temperature in the south, and is one of the main freshwater cultured fish species in South China, and it is afraid of cold.

Herring, generally 15 to 25 cm long. The body length is flat on both sides, the back is raised in front of the dorsal fin, and the abdomen is round and slightly straight. The head is short, the kiss is round and blunt, and the kiss length is slightly larger than the eye diameter. The mouth is small, low and curved. The edge of the upper lip is wavy, the posterior sulcus of the lip is interrupted, and the edge of the lower lip covers the mastoid process.