Yangcheng Lake mitten crabs are recognized as the most well-known mitten crab species, a Chinese geographical indication product, and Yangcheng Lake has become synonymous with mitten crabs.

Due to the high temperature in summer, 60-70% of Yangcheng Lake hairy crabs have delayed their final molting by half a month compared to previous years, and it will take more than 20 days to mature and be released on the market.