Danjiangkou squid is a specialty of Danjiangkou City, Hubei Province. Danjiangkou squid is commonly known as paralyzed, fat head fish. Danjiangkou squid has been certified as a national organic product for four consecutive years, and its reputation is extremely high.

Danjiangkou squid, the meat is white and tender, the muscles are tight and elastic, the cooked meat is silky, the taste is delicious and smooth, there is no muddy taste, and the taste is better. The squid is also called flower bud, fat head fish, baotou fish, big head fish, black carp, and numbness. It is a kind of freshwater fish. It has the nickname of "water scavenger" and one of the four major Chinese fish. It looks like a squid and has a flat body. The head is large and wide, and the head length is about 1/3 of the body length. The mouth is also wide and slightly upturned. The eye position is low. Carp grows in freshwater lakes, rivers, reservoirs, ponds, and is distributed in the upper and middle layers of water. Nutritional value Carp is a high-protein, low-fat, low-cholesterol fish with 15.3 grams of protein and 0.9 grams of fat per 100 grams of salmon. In addition, the carp also contains vitamin B2, vitamin C, calcium, phosphorus, iron and other nutrients. Carp has a protective effect on the cardiovascular system. Pituitrin, which is rich in phospholipids and improves memory, especially high in brain, can often warm stomach, dizziness, puzzle, help memory, delay aging, moisturize skin. Characteristics of the production area The Danjiangkou Reservoir has an area of ​​520,000 mu in the administrative area of ​​Danjiangkou City. After the dam of the South-to-North Water Diversion Middle Line Project is elevated, the water area of ​​the Danjiangkou Reservoir owned by Danjiangkou City will increase to 800,000 mu. The water quality of the reservoir is pure and pollution-free. It is a national type I and II drinking water. The water body is rich in microorganisms and is an ideal place for the production of fish by relying on plankton. The oysters, clams and silver fish rely on natural bait to grow, the quality is good, the taste is delicious, the products have reached the standard of organic fish, and are well received by consumers.

Danjiangkou carp quality technical requirements First, the source of 鳙 (Aristichthys nobilis Richardson). Second, the growth environment water quality meets the national standards of the "fishery water quality standards", and the growth environment meets the national standards of "Agricultural Product Safety Quality Environmental Conditions for Pollution-Reducing Aquatic Products". Water depth ≥ 5m, flow rate 0.15m / s to 0.5m / s, transparency ≥ 45cm, dissolved oxygen ≥ 5mg / L, pH 7.5 to 8.4, water grass coverage ≥ 10%. Third, increase aquaculture management 1. Source of fish species: selected from the provincial-level fine-breeding farms in the area of ​​origin, tracking and purchasing, to ensure that the source of the seed is authentic. 2. Ways of increasing breeding: (1) Natural proliferation and growth within the scope of production. (2) Net cages in the area of ​​origin. (3) Cage specialization within the scope of production. (4) Polyculture in Kuwan within the scope of production. 3. Fish stocking: (1) Natural water stocking: Natural waters are stocked from the beginning of March to the end of April in the area of ​​origin, with specifications ranging from 10g to 15g per tail. The density is 10 to 20 per 667 m2 (mu). (2) Net cage stocking and stocking: stocking in the range of origin from early December to late February of the next year, the specifications are 500g to 800g fish per tail. The density is from 1 to 2 tails per square. (3) Cage special stocking: stocking in the range of origin from early December to late February, the specifications are 200g to 500g per tail. The density is 30 to 40 per square. (4) Cuwan Bay polyculture stocking: stocking in the range of origin from early December to late February, the specifications are 200g to 500g per tail. The density is 5 to 8 per 667 m2 (mu). 4. Bait feeding: (1) cage special breeding and feeding artificial compound feed. (2) Other stockings are not fed, and the natural bait in natural water is eaten. 5. Environmental and safety requirements: Feeding environment, prevention and control of epidemic diseases must implement relevant national regulations and must not pollute the environment. 4. The catching and catching specifications are ≥1500g per tail. V. Quality Features 1. Sensory characteristics: The fish head is large and fat, the back of the body and the side of the body are black, the abdomen is gray, the body color is bright, the meat is white, the meat is tight, the taste is delicate, and the meat tastes delicious. 2. Physical and chemical indicators: edible part of crude protein ≥ 17.5%, crude fat ≤ 1.2%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the Danjiangkou squid production area may apply to the Danjiangkou City Quality and Technical Supervision Bureau of Hubei Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Hubei Provincial Bureau of Quality and Technical Supervision and reported to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The detection mechanism of Danjiangkou squid is selected by the Hubei Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.