1, the head is different:

Catfish's head will be obviously larger than the head of the clear river fish, and flat, usually the head is larger than the body.

2, fins are different:

Catfish has only 1 dorsal fin on its back, and it is small.

The Qingjiang fish has 2 dorsal fins, one in front and one at the tail, and the one at the tail is a fleshy dorsal fin.

3, the mouth of the fish is different

The mouth of the Qingjiang fish is a little flat and wide, the whiskers are relatively short, **** two whiskers.

The catfish's mouth is curved and more rounded, and the whiskers are long, with four or more whiskers.

Extended Information

Nutritional Value

Catfish is rich in nutrients, and it has been determined that for every 100 grams of the edible portion of the catfish, it contains 14.4 grams of protein, 2.1 grams of fat, 64.1 grams of water, and additionally contains sugars, calcium, phosphorus, iron, and other nutrients.

The protein of catfish contains 8 kinds of amino acids essential for human body, which is a kind of complete protein and can be easily digested and absorbed by human body. Catfish is low in fat and contains a variety of trace elements, so it is a good nourishing food. The fish is tender, easy to digest and has few bone spurs, which is especially suitable for the old and weak and young children.

Baidu Encyclopedia - Catfish

Baidu Encyclopedia - Qingjiang Fish