It's best to eat the female ones because they have more crab yolk. It is said that the crab mother for the round umbilical cord, the lunar calendar in September egg full, crab yellow fresh grease delicate; male for the pointed umbilical cord, October yellow fat paste white, taste rich and rounded.
2. Look at whether the umbilicus is pointed or rounded, the crab belly near the bottom of a small piece of cover there, pointed narrow is male, round wide is female.
Look at the abdomen. A crab with a triangular stomach is a male crab, while a round one is a female crab.
3. In addition, you can also look at the crab's legs, the two chelipeds have a grayish-black mass of downy hairs, the female only scattered a few, basically polished, while the male legs have arrangements such as the brush of fine hairs.
4. Consumption of hairy crabs is recommended in moderation, excessive consumption can cause discomfort.