1, you can put the crabs in a deeper basin, if the crabs are too many to fit in one basin, you can spread them out and raise them, in order to prevent the crabs from escaping, it is best to cover the basin with a layer of gauze.

2, put the water in the basin, the depth of the water should not be more than the crab, let it stand up when the head can be exposed, otherwise it will not be able to absorb the oxygen difficult to breathe, but to submerge the crab's shell.

3, if you use pots to raise worry about the crab will escape, you can use a plastic bucket to raise, and pots to raise the same way, the water inside do not put too much, choose the inner wall is relatively smooth bucket.

4, the crab bucket in a ventilated cool place, the temperature is best at about fifteen degrees, if you raise a day or two want to eat, then you do not have to feed it something, just use water.

5, if you want to raise a longer time, and not let the crab thin, you can feed the crab some small shrimp or small fish or something, plus a little weed is best.

6, if you want to raise the crab is a river crab, just use the water to raise it, if it is a sea crab, you also need to put some salt in the water to make the water salty and closer to its growing environment.