rock crab

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rock crab (plural rock crabs)

  1. Any of several kinds of crabs often found on rocky coasts, especially
    1. Hemigrapsus sexdentatus, a large-eyed marine crab found off the coast of New Zealand, the common rock crab
    2. Cancer irroratus, the Atlantic rock crab, a crab with large marginal teeth, found along the Atlantic coast of North America
    3. Romaleon antennarium, the Pacific rock crab of parts of the Pacific coast of North America.
    4. A red rock crab.