1, 10- 15 minutes. Bring boiling water to high fire, and steam sea crabs 10- 15 minutes on medium fire. Too long will turn yellow, which will seriously affect the taste and nutritional value of sea crabs.

2. Sea crabs generally refer to Portunus trituberculatus. Portunus trituberculatus inhabits the offshore shallow sea, inhabiting the sea area with water depth of 10-50m, and the population is the densest in the sediment sea area of 10-30m. They are afraid of strong light, often lurking at the bottom of the sea during the day and swimming to the water layer for food at night; Fierce predation, large appetite, strong digestion, whether it is seaweed, snails, mussels, or fish, shrimp, crabs.