The mackerel is a carnivorous fish, and its prey is mostly small fish: such as dinner sticks, crucian carp, goby, wheat ear fish, carp, loach, etc. It also eats shrimps and aquatic insects. . Mainly for swallowing, the main function of teeth is to prevent food from escaping.

Tangyu (local bearded catfish) has 8 beards, 4 on each side. The body color is yellow, wild fish grows slowly, generally weighs no more than 1 catty, has high nutritional value and good taste. It can be cultivated artificially and has great market potential. At present, most of the uncultured pond turtles live in sewage environments such as sewers. They have strong vitality and can also breed in feces.

Growth habits:

The pond catfish has a gentle temperament and is a benthic fish. It rarely goes to the surface of the water except to swallow air and feed. During the day, pond catfish like to gather at the bottom of the pond, caves or dark places after being full. They are active at night and go to the water in groups to hunt for food. ?

The pond mackerel has branch-like (coral-like) respiratory auxiliary organs on the gills and skin respiratory functions. It can directly use oxygen in the air, so it has a strong ability to tolerate low oxygen and can survive in the same environment as ordinary turtles. species cannot survive in low oxygen, shallow or polluted water. As long as the skin is kept moist, it will not die if it is out of water for a long time. What's even more peculiar is that any non-fatal wound can heal quickly on its own. ?

Reference for the above content: Baidu Encyclopedia-Tang Kun