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Boiling is the easiest way to dispatch a crustacean, but there are some signs that the creatures can feel pain.
January 17, 2013 Prawns will rub themselves when dabbed with acid. And hermit crabs show stress-related behavior after getting shocked out of their shells. Now scientists find that British shore crabs can learn to avoid an electric shock — a key sign that crustaceans really do experience pain.
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