Yes, but it's best not to put them in the refrigerator. Of course, you can eat them, but when you put them in the refrigerator and take them out again, the low temperature will attract the water vapor in the air and make them wet.

It's not enough to eat a dead crab right away, but to put it in the refrigerator? Do you want more spoilage to happen before you eat it? High-protein food, must be eaten when fresh, after the death of the taste is worse not to say, the nutritional value will be greatly reduced, there is also the risk of spoilage, why wait for the death of the refrigerator and then eat it?