1. It is suggested that Portunus trituberculatus be put in cold water and pickled with some salt. The depth of the water allows the crab shell to emerge from the water. Portunus trituberculatus should not be preserved for too long, so it is better to eat it as soon as possible. Once placed for too long, the nutrients in the crab will be consumed and the meat quality will become less delicious.

2. Portunus trituberculatus has high nutritional value and contains protein, fat and various mineral elements.

3. Portunus trituberculatus has a variety of feeding habits, generally feeding on fish, shrimp, shellfish and algae, even eating the same kind, and likes to eat animal carcasses.

4. There are three protrusions in the center of the shell of Portunus trituberculatus, so it is also called "Portunus trituberculatus".