Put the scissors from the mouth of the catfish to the tail fin on the abdomen, cut open the catfish, and remove all internal organs and gill material. Easy to clean. Pay attention to adding a little salt when cleaning to make it easier to clean the oil from the catfish.

Catfish, the same as catfish. There are many species, the common ones include catfish (earth catfish), large mouth catfish, bearded catfish (tang fish), leathery catfish (Egyptian bearded catfish), commonly known as slipper in Hakkas

Catfish, animal kingdom - Chordata - Subphylum Chordata - Class Actinopterygians - Order Siluriformes - Catidae - Genus Catfish - Catfish species. There are 4 beards on the mouth, long at the top and short at the bottom. They are carnivorous and mostly wild. They do not have high requirements for water quality and can be cultivated artificially. The growth rate is relatively fast, and some varieties can grow to very large sizes.

Large-mouthed catfish, Kingdom Animalia - Phylum Chordata - Subphylum Chordata - Class Actinidae - Order Siluriformes - Catidae - Genus Catfish - Species of large-mouthed catfish. The appearance is similar to that of a catfish, and it also has four whiskers, but its mouth is extremely large, and its individual size is much larger than that of a catfish. It can be cultivated artificially and has a fast growth rate. The fry reproduced in the current year can grow to 500-750 grams in the first year, 1500-2000 grams in the second year, and 3000-4000 grams in the third year. This type of catfish is mostly sold in the market, and its meat quality is relatively ordinary and the price is cheap.

The bearded catfish, the local bearded catfish, is also known as the pond turtle and pond angler fish. Kingdom Animalia - Phylum Chordata - Subphylum Chordata - Class Actinidae - Catfish - Catfish family - Catfish family - Catfish genus - Catfish species. 8 beards, 4 on top and bottom. 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.

The leatherback catfish, also known as the Egyptian bearded catfish and the Egyptian pond catfish, was introduced from Egypt. Kingdom Animalia - Phylum Chordata - Subphylum Chordata - Class Actinidae - Order Siluriformes - Catfish family - Catfish genus - Catfish species. It has 8 beards, is black all over, and is huge. Most of them are artificially bred, and they grow very fast. They can weigh up to 2 kilograms in one year, and the largest individual can reach more than 10 kilograms. It has very low requirements for survival water quality and is resistant to hypoxia. The meat quality is not very good and the market price is cheap. However, it is easy to breed and grows quickly, so many people breed it.

The body is elongated, the head is flat, and the tail is flat on the sides.

The mouth is in the lower position, the mouth cleft is small, and the end only reaches below the front edge of the eye. ?Protruding mandible. The space between the teeth is thin and villi-like. The jaw teeth and pear teeth are arranged in a curved belt shape. The pear bone tooth belt is continuous and the middle part of the posterior edge is slightly concave.

The eyes are small and covered with membrane. Adult fish have 2 pairs of 4 barbels, the upper jaw barbels can reach as deep as the end of the pectoral fin, and the lower jaw barbels are shorter. There are 3 pairs of barbels in the juvenile stage, and one pair of mental barbels begins to disappear when the body length reaches about 60 mm.

Catfish is full of mucus and has no scales. The dorsal fin is very small, has no spines, and has 4 to 6 fins. No adipose fin. The anal fin is very long and its rear end is connected to the tail fin. The body color of catfish is usually dark brown or gray-black, with slight dark cloud-like patches.