Crabs regrow lost limbs over several molts
Crabs can regrow lost limbs through multiple molting cycles, showcasing a remarkable evolutionary adaptation that enhances their survival and inspires biomedical research.
Crabs possess an extraordinary ability to regenerate lost limbs, a process that unfolds over multiple molting cycles. When a crab loses a limb, whether from injury or intentionally shedding it to escape danger, a small bud forms. With each subsequent molt, this bud progressively grows into a larger, more functional limb. Full regeneration typically takes three to five molts, depending on the species and the crab's age.
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