Put it in the freezer of the refrigerator and freeze it, the supermarket also sells that kind of frozen seafood. Or you can pickle it. But dead crabs are not recommended.

If you buy more than one at a time, you can use the following methods of preservation:

1, put in the refrigerator freezer with a wet towel cover can be put for a few days, with a hand touching the crab's eyes, no reaction is the dead crab.

2, you can keep the crabs in a bucket of water.

Extended information

Crab food taboos:

Research has found that the infection rate and degree of infection of the larval cysts of Schistosoma pulmonarum - high-footed crabworms in the body of the live crab is high, and the Schistosoma pulmonarum parasitizes the lungs and irritates or destroys the lung tissue. It can cause coughing and even hemoptysis, and if it invades the brain, it can cause paralysis. According to expert examination, the crab slightly heated after eating, schistosomiasis infection rate of 20%, eat pickled crab and drunken crab, schistosomiasis infection rate of up to 55%.

And eat crabs raw, schistosoma infection rate as high as 71%. The resistance of Schistosoma lungis cysts is so strong that they are usually killed by soaking them in water at 55 degrees Celsius for 30 minutes or pickling them in 20 percent salt water for 48 hours. Eating crabs raw, may also be infected by Vibrio parahaemolyticus, Vibrio parahaemolyticus invades the human body in large quantities will be infectious poisoning, showing intestinal inflammation, edema and congestion and other symptoms.

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