or Alaskan king crab or Japanese crab
Marine decapod ( Paralithodes camtschatica ), an edible crab .
It is found in the shallow waters off Japan and along the Alaska coast; it also inhabits the Bering Sea. One of the largest crabs, it often weighs 10 lbs (4.5 kg) or more. Its size and tasty flesh make it a valued food, and large numbers are fished commercially each year.