Sea crabs are the fattest in March and April. There are more than 600 species of crabs in China, which can be roughly divided into sea crabs and river crabs. Sea crabs produced in coastal areas such as Bohai Sea are the fattest in March and April. Eriocheir sinensis is distributed in Liaohe River, Yellow River and Yangtze River, and October is the best time to eat Eriocheir sinensis.

2. Eating crabs in autumn needs to distinguish between males and females in order to enjoy the most delicious crab feast of this season. The so-called "nine females and ten males" refers to the ninth month of the lunar calendar, when the females are the fattest and the crabs are yellow and dense. In October of the lunar calendar, male crabs are the most fragrant and the crab sauce is full. It is best to eat crabs and enjoy chrysanthemums. The season of crab migration (from cold dew to 1 1 early month) is the best season to eat crabs. The crab meat in this period is thick, tender and delicious, and it is the best in a year. This period is the mature feeding period of China Yangtze crab.