Nature's Halloween: Crabs Avoid Death With Disguises

Masters of Disguise

Crabs
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Crabs
Crabs
Crabs
Crabs
Crabs
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Crabs
Kelp crabs, Pugettia richii from California, are modest decorators, only covering the front of their shells near their eyes and antennae. (John J. Stachowicz/ Section of Evolution and Ecology University of California)
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