Carp is a kind of fish belonging to the genus Carp, also known as Carp, Carp, Fat Lun, Jiangtuan, Bai Ji and Fat Head Fish. Because its snout is longer than that of common fishes of the genus Coilia, it is called long snout.

Catfish is also one of the three treasures of aquatic products in the Yangtze River, and it lives in the rapids and rocks. The body weight is generally around 1.5-2.5 kg, and a few individuals can reach 10 kg. In spring and autumn, the Yangtze River Estuary is fat and tender, which is the best tasting season.

economic value

The most beautiful part of this fish is the belly with soft edges, and its swim bladder is particularly thick, and it is a valuable fish belly after drying. Its glue layer is thick, its taste is pure, its color is translucent, and its production process is unique. The shape of the dried product and a beautiful natural pattern embedded in the swim bladder look after the light source, which is similar to the Bijia Mountain standing in Shishou city, hence the name "Bijia Fish Belly" and the saying that "this thing is unique in the stone head and there are no two in the world", which is really a treasure in food.