An adult catfish eats 3 to 7 pounds of food a day. Adult catfish in the lake and the river are not the same amount of food every day, catfish is a kind of fish that likes to eat meat, including carp, crucian carp, birds, and even mammals, and the catfish's food is very amazing, eating a time can eat 8%-15% of their own body weight of the food, an adult catfish can swallow a mouthful of a 3 pounds or so of fish, so an adult catfish a day to eat 3 to 7 pounds of food. Catfish has a peculiar appearance of the whole body without scales, body surface more mucus, upper and lower jaw have 4-6 whiskers, belong to the nocturnal animals, daytime very little activity, the night out to make up for the food.