Jixian County is known as “Jiangsu Beidaihe”. The crabs are caught in spring, summer and autumn, but the spring yield is the highest, and there is more rhubarb. The larger one weighs 500 grams. After cooking, the whole body is vermilion, commonly known as '彤 crab'. The female crab has a paste in three seasons. And the red paste is covered and the taste is very delicious.

Technical requirements for the quality of the scorpion crab (1) source. Portunus trituberculatus. (2) Breeding environment. The seawater temperature is 2 ° C to 28 ° C, the pH is 7.8 to 8.5, and the dissolved oxygen is ≥ 4.0 mg / L. The bottom is sandy or sandy. (3) Breeding. 1. The weight of female crabs is ≥300g, and the weight of male crabs is ≥250g. (2) stocking density: the stocking density of young crabs in stage II is ≤7/m2; the stocking density of crabs is ≤5/m2. Feeding: Mainly blue scorpion, supplemented by miscellaneous fish, shrimp and shellfish. 3. Environmental and safety requirements: The prevention and control of the breeding environment and epidemic diseases must comply with relevant state regulations and must not pollute the environment. (4) Fishing. Starting in September, the market began to catch up. Until May of the following year, the weight of male crabs was ≥200g, and the weight of females was ≥150g. (5) Quality characteristics. 1. Sensory features: greenish back, less white spots. 2. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

Apply to：
The producers within the scope of protection of the geographical indication products of the scorpion crab crabs may apply to the Quality and Technical Supervision Bureau of Jixian County, Jiangsu Province for the application of the “Special Mark for Geographical Indication Products”, which shall be examined by the Jiangsu Provincial Bureau of Quality and Technical Supervision and be examined by the National Quality Inspection. The General Administration announced the approval. The statutory testing agency for the scorpion crab is designated by the Jiangsu Quality and Technical Supervision Bureau.