Not fat. As the saying goes, the autumn breeze brings the fragrance of crabs. Autumn is the period when crabs grow most prosperously. The orchids and crab meat at this time are the most plump and delicious. From August 15th to November 15th, it is a good time to eat crabs. , the fattest among them is around September 15th. At this time, the freshwater orchid crabs are the most delicious, and the ones in the sea are also good. In June, the crabs are in the growth period, and the orchid crabs are not fat.