Tie up the crabs and put them in the refrigerator. In a relatively sealed low temperature environment, the loss of crabs will be reduced and the vitality of crabs will be preserved. Through low temperature, it can inhibit bacterial reproduction and prolong the preservation time.

Because it is out of the original growth environment, crabs can not be preserved for a long time, about 2 days. For example, after the arrival of the express refrigerator, the crabs should be taken out for cooking as soon as possible, and it is best to keep them frozen to avoid deterioration.

Extended data:

Crabs live by eating rotten fish, shrimp and other foods. When they are alive, there are many bacteria or parasites in their bodies, but when they are alive, they can be excreted through their own metabolism.

But if you die, it will not only taste worse, but also breed a lot of bacteria and produce toxic histamine, which may lead to food poisoning. Therefore, crabs can't be eaten if they are frozen in the refrigerator, and the naked eye can't judge the time when crabs die. It is best to throw it away as soon as possible to avoid the rancid smell of dead crabs and affect the consumption of other foods in the refrigerator.

Baidu encyclopedia-crab