1. The king crab lives in the deep-sea cold water area with a water depth of 400-800 meters, and it is difficult to breed artificially.

2. At present, the king crabs sold in the market are basically caught by fishermen.

3. The water temperature in the hotel is kept below 10 degree in summer and around 15 degree in winter, and the salinity is 24-26 degrees. When the water is changed only once a month, the salinity is 16.