Catfish mainly live in the middle and lower layers of rivers, lakes, reservoirs, and ponds, and are mostly active in coastal areas. During the day, they are mostly hidden under grass, stones or deep water bottoms, and they frequently forage at night. After autumn, they live in deep water or in sludge for winter, and their feeding degree is also weakened. Carnivorous fish, the prey are mostly small fish, such as meal strips, crucian carp, goby, wheat ear fish, carp, loach, etc., and also eat shrimp and aquatic insects.

The main function of the teeth is to prevent food from escaping. Catfish are bottom ferocious fish. They are afraid of light and like to live in rock crevices, deep pits, earth holes or stone caves at the bottom of tree roots. In the still waters of reservoirs, lakes, and weirs, it is often found on the dark bottom. Begin to move and forage in spring. It does not eat after winter, and lurks in deep water or in the winter. If there is nothing to invade, it generally does not swim. Catfish have small eyes, weak eyesight, nocturnal and nocturnal, relying on two pairs of tentacles to hunt for food, very gluttonous, the hotter the weather, the greater the food intake, and the cloudy days and nighttime activities are frequent. If you want to feed your fish, you could use the floating fish feed machine.

Catfish is rich in nutrients, with 64.1 grams of water and 14.4 grams of protein per 100 grams of fish, and contains a variety of minerals and trace elements. It is especially suitable for people who are weak and malnourished. Except that the roe of catfish has miscellaneous smell and should not be eaten, the whole body is a treasure, and catfish is a valuable nutritional product, as early as in historical books, there is record, can be comparable with shark fin, wild soft-shelled turtle, its therapeutic effect and medicinal value It is not possessed by other fish, and its unique strength and longevity are its unique highlights.

Catfish is not only rich in nutrients like other fish, but also has tender meat and more protein and fat, which has a good therapeutic effect on the frail and malnourished people. Catfish is a good product for promoting lactation, and has the functions of nourishing yin and nourishing blood, invigorating qi, appetizing, and diuretic. It is a must-choice food for women's postpartum dietary therapy.