One day to three months.

Cooked crabs can be kept frozen in the refrigerator for one day to two days. Raw crabs kept frozen in the refrigerator can be stored for up to three months. Crab is a common ingredient with more varieties and various cooking methods, which can be boiled, steamed, stir-fried and grilled. Before cooking, crabs need to be carefully brushed with a hair brush so that they will be more hygienic to eat.

Live crabs preservation methods

1, put in the refrigerator to save: live crabs with cotton thread bundled up, put into the refrigerator freezer, with a wet towel to cover the crabs, can be kept for three days to five days; you can also use a net pocket with the crabs, directly placed in the refrigerator freezer, can be stored for three days to four days.

2, into the bucket to save: put the crabs in a plastic bucket, add the crabs half the height of the water, and put it in a cool place to store.

The above content reference? Baidu Encyclopedia-Crabs