The difference between Qingjiang fish and catfish

Qingjiang fish refers to the fish produced in the Qingjiang reservoir area of Hubei Province, catfish are fish living in ponds or rivers and other waters, the two are somewhat similar in appearance, but there are differences. So, what are the differences between Qingjiang fish and catfish?

Difference one: the body is different: the body of Qingjiang fish is a little flat, its length is similar to that of yellow croaker, and its weight is relatively light; the body of catfish is relatively round, with a length of about 30 centimeters, and its weight can be very large, and the largest one is bigger than people, up to several thousand jin.

Difference 2: body color is different: Qingjiang fish is lighter in color, basically the same in body and abdomen, with fish scales on the body; catfish is usually dark brown or grayish black, with a light gray or white belly, and no scales on the body.

Difference 3: the head is different: the head of the Qingjiang fish is relatively small, the beak is a little flat and wide, with two whiskers and a short beard; the head of the catfish is larger and flat, the head of the fish is bigger than the body, and the mouth is relatively round. There are four or more beards and the beard is very long.

Difference 4: the tail is different: the tail of the Qingjiang fish is bifurcated, very short, like scissors, with two dorsal fins on the back, one in the front and one in the tail; the catfish's tail is unbifurcated, very long, like a fan, with a small dorsal fin on its back.

Difference 5: different growth waters: Qingjiang fish live in clear water, moderate pH, sufficient dissolved oxygen, fresh water quality, no pollution sources; catfish live in rivers, lakes, reservoirs, pits and ponds.

Difference 6: the distribution range is different: Qingjiang fish is distributed in Hubei Province, which is the province of a thousand lakes, mainly in the Qingjiang reservoir area of Hubei Province; catfish are distributed all over the world.