Sihong County, Jiangsu Province is located in the west bank of Hongze Lake, with a water surface of110000 mu (accounting for one third of the whole lake), a shallow beach of 600,000 mu (accounting for half of the whole lake's beach resources) and a coastline of 165 km. Sihong has a vast surface of Hongze Lake, a wide beach and a long winding coastline. Seven river basins, such as Huaihe River and Xu Hong, are intertwined here. The water area of the county is 654.38+0.66 million mu, accounting for 40% of the country's land area. It is known as the "Great Lake Wetland, Water Rhyme and Sihong". Wide waters, vast beaches and good ecology provide unique conditions for the development of fishery production in Sihong. There are not only fresh-tasting fresh-water lobster in Sihong, but also silvery whitebait in Tiangang Lake and creamy yellow hairy crabs in Sihong. There are more than 60 kinds of aquatic products in the county, with rich products. The quality of hairy crabs is closely related to their breeding environment, and Sihong hairy crabs have seized the opportunity by virtue of their superior geographical environment. The lake is rich in aquatic resources, lush aquatic plants, fresh water and suitable climate, which is an ideal place for the growth and fattening of river crabs. Hongze Lake was originally a small group of shallow lakes, which was called Fuling Lake in ancient times. After the Han dynasty, it was called broken kettle pond, and the Sui dynasty was called Hongzepu. It was originally named Hongze Lake in the Tang Dynasty (6 18-907). Since the Ming and Qing Dynasties, the lake has been completely protected by the Hongze Lake levee, forming a "hanging lake". Hairy crabs have been produced in Hongze Lake since ancient times, so Hongze Lake has been produced for 1400 years. Zhang Lei, one of the "Four Bachelor of Sumen" in Song Dynasty, commented on the crabs in Hongze Lake in his hometown, which vividly reflected the literati's yearning for Hongze Lake and their appreciation of the delicious crabs in Hongze Lake. It is precisely because the Hongze Lake, which Sihong belongs to, is clear and green, with excellent water quality, no pollution, lush aquatic plants and rich food organisms. The hairy crabs they produce have eight characteristics: first, the back is green, the crab shell is blue-gray, smooth and shiny. The second kind is white belly, and the crab's abdomen is crystal white, which is related to the type of bottom material and aquatic plants. Third, yellow hair, long and yellow foot hair, tall and straight roots. The fourth is the golden claw. Crab claws are golden and strong. It can stand upright on the glass and fly like a halberd with its paws. Fifth, it is big and grows in a beautiful ecological water environment, so it is called clear water hairy crab, the cleanest crab. The crabs produced are larger, the maximum weight of male crabs can reach more than 8 Liang, and the maximum weight of female crabs can reach more than 6 Liang. Sixth, it means that the crab is fat and full of meat, and it feels heavy in your hand. The color of male crab paste is jade, the color of crab yellow is duck egg yellow, and the color is like gold. Seventh, chelating fertilizer, crab claw meat is as white as jade and delicious. Generally, when tasting crabs, you should first take off your big paws, put them aside for the last time and slowly taste the delicious taste. Eight, the meat is fragrant, Sihong is a national demonstration county. The ecological quality of aquaculture water environment is excellent, and the species of animals and plants produced are rich; Strictly control the ecology of the breeding process from the aspects of crab breeding, ecological release, water quality management and the use of ecological inputs; The produced crab meat can be eaten without any dip and seasoning, and it is sweet and rich, delicious and unique in flavor, which is incomparable to crabs produced in other regions. The "crab king" judged at the tasting meeting has the appearance characteristics of green back, white belly, yellow hair, golden claws, firmness and strong claws. The breeding process has increased from "quantity" to "quality". The artificial culture of Eriocheir sinensis in Hongze Lake, Sihong County began at 1986 and has a history of 25 years. Experienced the process of raising crabs, crabs and high-quality crabs.