Catfish are edible.
Catfish is also known as bearded fish and pond fish. Its distinctive characteristics are that it has no scales, a lot of mucus on its body surface, a flat head and a wide mouth, and four beards on the upper and lower jaws. It is widely distributed and is mainly produced in the Yangtze River and the Yangtze River. In the Pearl River Basin, the best eating season is from mid-spring to mid-summer. Catfish is a carnivorous fish. Its meat is tender with few spines, rich in flavor, rich in protein and fat, and rich in nutrients. It is especially suitable for people with weak constitution and malnutrition.
Catfish is rich in nutrients. Every 100 grams of catfish edible part contains 14 grams of protein, 2 grams of fat, and 64 grams of water. It also contains sugars, calcium, phosphorus, iron and other nutrients. The protein of catfish contains 8 kinds of amino acids necessary for the human body. It is a complete protein and is easily digested and absorbed by the human body. Catfish has low fat content and contains a variety of trace elements, so it is a good nutritional food.
Introduction to catfish
The lateral line is straight, extending along the middle of the body side to the base of the tail. The mucus pores are well developed and arranged in rows above the lateral line. The dorsal fin is short, with only 5 soft rays. The anal fin is long and connected to the tail fin behind. The pectoral fin has a serrated hard spine, the body is dark gray or gray-yellow, the dorsal side of the body is gray-black, the abdomen is white, and there are irregular white spots or inconspicuous markings on the sides of the body.
Living in still waters or slow-flowing areas with dense aquatic plants, the catfish has sharp jaw teeth, a short intestine and a stomach. It is a ferocious carnivorous fish. Under natural conditions, the fry stage can feed on rotifers, water fleas, water earthworms and other fry. The fingerling stage and adult stage feed on miscellaneous fish, shrimps and aquatic insects on the bottom. It preys mostly on small fish, such as tiger fish, crucian carp, yellow catfish, wheat ear fish, loach, bream, etc. It also eats shrimps and aquatic insects.