Species Profile




Blue King Crab (Paralithodes platypus)

  • Size
    Up to 18 pounds for a mature male.
  • Range/Distribution
    Disjunct populations in the North Pacific Ocean, with major concentrations primarily in Bering Sea.
  • Diet
    Wide assortment of invertebrates including worms, clams, mussels, snails, brittle stars, sea stars, sea urchins, sand dollars, barnacles, crabs, other crustaceans, fish parts, sponges, and algae.
  • Predators
    A wide variety of marine fishes, king crab, and octopus.
  • Reproduction
    Biennial spawning, embryos held in egg cases attached to the abdomen.
  • Remarks
    Bering Sea populations off of Alaska are managed jointly by the Alaska Department of Fish and Game and the National Marine Fisheries Service.