FIGURE 7.27
This is not really a live Galápagos shore crab (Grapsus grapsus ) but itsexoskeleton, or molt. The old exoskeleton covered the entire external surface of the crab, even itsmouthparts and eyes. Molting, which is regulated by hormones, results in a soft, helpless crab thatmust find shelter for a few days until its new, larger skeleton hardens
FIGURE 7.27 This is not really a live Galápagos shore crab (Grapsus grapsus ) but itsexoskeleton, or molt. The old exoskeleton covered the entire external surface of the crab, even itsmouthparts and eyes. Molting, which is regulated by hormones, results in a soft, helpless crab thatmust find shelter for a few days until its new, larger skeleton hardens
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