How do hairy crabs breed?

Hairy crab is a traditional aquatic treasure in China, which has high edible value, medicinal value and economic value. So, how do hairy crabs breed?

How do hairy crabs breed?

Hairy crabs lay eggs, usually reach sexual maturity in two years, begin reproductive migration every autumn, mate and spawn in salty and fresh water, hatch and develop. Its life is divided into three growth stages: larval stage, yellow crab stage and green crab stage. Once the yellow crab molts into a green crab, that is, it enters the stage of sexual maturity, and the crabs that mature that year will die after the fertilized eggs hatch the next year.

Second, which parts of hairy crabs can't be eaten?

Hairy crab gills, crab stomach, crab intestines, crab heart, crab shell can not be eaten. Crab gills are the respiratory organs of hairy crabs, the dirtiest place in the body, and the main parasitic place of parasites, which need to be removed. Crab stomach is also very dirty, there is hairy crab excrement, need to pick out. Crab intestines are the tubes connecting the stomach and belly button of hairy crabs. There are also feces that need to be removed. The heart of the crab grows in the middle of the crab roe and is connected to the crab's stomach. it is not very clean and needs to be thrown away. Crab shell is relatively hard, generally will not eat, need to throw away.

When do you eat hairy crabs?

The folk proverbs of hairy crabs are "autumn wind rises, crab feet itch, September navel, October tip" and "nine males and ten females", that is, female crabs are eaten in the ninth month of the lunar calendar and male crabs are eaten in October.