Red Rock Crab

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As its name implies, this crustacean is often found in and around rocky places and features reddish-purple coloration.

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It can grow to more than 10 inches across, but 4 to 6 inches is more common. Its large claws are tipped in black and they have a wide, fan-shaped body.

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This cool creature crushes barnacles with its large pincers and eats them. It also eats smaller crabs, sea cucumbers, and many other intertidal invertebrates, as well as dead fish.

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While searching tidepools, I saw this “shell” move. It didn’t take long to realize that it was not a shell at all, but rather a juvenile Red Rock Crab, which can be white with a pattern of dark lines.

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I enjoy finding these hard-shelled creatures, whose other common names include Red Crab, Cancer Crab and Red Cancer Crab.

Third Eye Herp