Catfish's teeth are sharp, and its upper jaw is extremely hard. Fishing friends must take this into account when choosing a hook. The quality of the catfish hook must be good, the hook strip should be thick enough, and the hook tip should be sharp enough. Generally speaking, Yi Shi No.7-8 hook can be used. However, it is best to use barbed hooks when hanging meat bait, but it is not necessary to hang commercial bait or flour bait.

Catfish is also known as Hu Ziyu and Tangren. It is characterized by its scaly body, slimy body surface, flat head and wide mouth, and four beards on the upper and lower jaws. It is widely distributed, mainly in the Yangtze River and Pearl River basins, and the best eating season is from mid-spring to mid-summer (April to July). Catfish is a carnivorous fish, its meat is tender and tender, delicious and rich in protein and fat, and it is nutritious, especially suitable for people with weak constitution and malnutrition.