都要穿羽绒服了 大闸蟹怎么还没上市？

Core Insights - The market for hairy crabs in China is experiencing a delayed peak season due to extreme summer temperatures affecting growth and supply [3][5][6] - The best period for purchasing crabs is expected from late October to mid-November, when supply will be abundant and prices for smaller crabs may decrease significantly [7][9] Market Trends - The current market is characterized by a lack of large crabs during the Mid-Autumn Festival, leading to a quieter market atmosphere [3][5] - There is a noticeable price differentiation, with high-quality large crabs maintaining strong prices due to scarcity, while smaller crabs are more affordable and plentiful [6] Seasonal Dynamics - A second sales peak is anticipated from late November to before the Spring Festival, driven by reduced inventory and increased demand for gifts and gatherings [9] Regional Developments - The trend of "southern crabs raised in the north" is emerging, as northern regions offer favorable conditions for crab farming, including less extreme heat and better water quality [10][11] Quality Focus - The crab industry is shifting towards a focus on quality, with an emphasis on size, fullness of crab roe, and meat texture, necessitating the establishment of a unified quality grading standard [12][13][14]