Catfish is a bottom fierce fish. Fear of light, like to live in the river near the bank of the stone gap, deep pits, tree roots at the bottom of the earth hole or stone holes, as well as slow-flowing waters. In the static water of reservoirs, ponds, lakes, and weirs, it mostly lies on the dark bottom or under patches of water floats, water peanuts, and water hyacinth. In the spring, it starts to move around and forage for food. After winter, they do not eat, lurking in deep water or caves for the winter. Catfish eyes are small, weak vision, day and night, all by smell and two pairs of tentacles hunting, very gluttonous, the hotter the weather, the greater the amount of food, cloudy days and night activities are frequent. The catfish is sexually mature early, generally one age is mature. The spawning period along the Yangtze River is from April to June, the further south the earlier, the further north the later. When spawning, they chase in groups. The juvenile catfish feeds on zooplankton and mollusks, of which the larvae of aquatic insects and shrimps are its delicacies. Catfish gluttony easy to grow, about 500 grams of young fish will be swallowed in large quantities of crucian carp, carp, etc., the largest individual can reach more than 40 kilograms.