1, or you can put the swimming crab in a foam box and store it in the freezer of the refrigerator. Remember to put the right amount of water, don't freeze it directly.

2. Portunus trituberculatus raised in plastic barrels can be fed with appropriate amount of small fish and shrimp according to the preservation time to ensure that Portunus trituberculatus is not hungry.

3. Don't store the bought swimming crab for too long, otherwise not only the nutrients will be lost, but also the swimming crab may die.