Steam the king crab for 15-20 minutes.

King crabs are relatively large and take 15-20 minutes to be cooked after the water is boiled. If they are cut and steamed, the time needs to be shortened, 5-10 minutes after the water is boiled.

King crab, also known as stone crab or rock crab, is an animal of the family Stone Crabidae. It is named because of its huge size and is known as the "King of Crabs". King crabs are deep-sea crabs, not true crabs, and are mainly found in cold seas.

King crabs are huge, with a maximum weight of 10 kilograms. King crabs grow slowly and can live up to 30 years. From the appearance, the king crab is about 25 centimeters wide and has a leg length of about 1 meter. It is the largest crustacean. The whole body is covered with hard thorns. The legs of the king crab are long and thick, with three pairs of legs visible except for one pair of claws. The left chela is slightly larger than the right one. In addition, most crabs commonly seen move laterally. King crabs can move not only laterally but also vertically.