Tourists warned as thousands of venomous spider crabs swarm at Cornwall beach

Tourists warned as thousands of venomous spider crabs swarm at Cornwall beach

Tourists warned as thousands of venomous spider crabs swarm at Cornwall beach Holidaymakers ‘squealed’ at the site of the floating carcasses on the sea floor A popular tourist destination in Cornwall has become inundated by a heaving crush of venomous spider crabs. Pictures shared on social media have captured the swarming crustaceans that massed in the shallows of Porthgwidden Beach, St Ives. The crabs are there to shed their shells before returning to their breeding ground as part of the species’ annual migration pattern to seek out warmer waters. When the crabs moult, they exit through the back of their shell, leaving behind the whole exoskeleton including the legs and …
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