1, if the green crab is alive, then it is not recommended to freeze to save, this time the green crab flavor is the most to be good, if you put it into the freezer to save inside the freezer will be frozen to death, the meat will be changed, so it is not recommended to freeze to save, if the green crab has been dead, then freeze to save is more suitable, after the death of the green crab bacterial growth rate is relatively fast, freeze to save to let the bacteria grow less, and save the time can be a little bit longer. The time of preservation can be a bit longer.

2, in general, the green crab can be saved for 1 day to 6 days, according to different preservation methods to decide the time, if the quality of the green crab is not very good, the vitality has been relatively weak, then in the case of completely out of the water or completely without food 1~2 days will die, if the green crab is relatively strong, you can pick some better green crab, put into the water to raise, about 6 days. If the green crabs are more energetic, you can pick some better ones and put them into the water to keep them for about 6 days. Want to let the green crab better preservation not die, you can use sea salt to match some light salt water, green crab into the inside of the soaking three minutes to five minutes and then take out the crab line, put into a ventilated damp and cool place to raise good, you can also put the green crab in a deeper bucket, and then add some light salt water, the water is not able to put the green crab's mouth to submerge, every two days to change the water can also ensure that the green crab live.