1, if it is dead, when you buy it back immediately thrown frozen. Just dead sea crab frozen in the refrigerator, the lower the temperature, the longer the frozen time can be, if at minus 18 degrees, one or two months no problem.

2, if it is live in the bucket, choose vigorous crabs, the crab's feet tied up to reduce the physical consumption of crabs, and then covered with a wet towel can be preserved.

3. Flower crabs are produced year-round in Hong Kong and are true saltwater crabs, while flower crabs are fatter in summer and fall. Flower crabs have a dazzling variety of outlandish patterns on their shells, the two sides of the crab cover are pointed, and the edges of the large chelipeds, which are as blue as the sea, are crimson red, but there isn't much meat in them, and although they are beautiful when cooked, they have very little crab paste or crab roe.