Joel Sartore / Photo Ark / Atlantic rock crab (Cancer irroratus) portrait, Maine State Aquarium, Maine, USA. Captive.
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David Hall / Male Rock Crab (Cancer irroratus) holding his female partner closely until ecdysis (moulting) occurs, at which time copulation becomes possible. Cape Ann, Massachusetts, USA. Atlantic Ocean.
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Shane Gross / Atlantic rock crab (Cancer irroratus) sheltering in Kelp. Newfoundland, Canada. May.
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Shane Gross / Atlantic rock crab (Cancer irroratus) sheltering in Kelp. Newfoundland, Canada. May.
