In their first two years of life, Dungeness crabs molt as many as six times a year.
It’s an incredible feat to do once, let alone a dozen times: Grow your own body armor—and new limbs when they might snap off—then scooch out of it through the back seam, leaving old gills, antennae, and mouthparts behind, and burying yourself in the sand while your new superhero suit hardens...
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