1. Choose suitable buckets, such as plastic buckets and cement buckets, to ensure that the buckets are smooth and free from thorns, so as not to hurt crabs. The size of a barrel depends on the scale of culture. Generally, each crab needs about 3-5 square centimeters of space.

2. Choose healthy and energetic crabs, preferably parent crabs, to ensure the reproduction rate.

3, crabs like meat, you can put the right amount of minced fish, snails, clams and so on. Feed 1-2 times a day, and the feeding amount is suitable for crabs to finish eating for half an hour.

Crabs have high requirements on water quality and need to keep the water fresh. Change some water every day to keep the water quality in the bucket good.