Invasive blue crabs threaten economy of whole regions of Italy, official say

Crustacean native to Americas is devastating shellfish production in Po delta, where they have no natural predators

Italian fishing communities in the north of the country are fighting an invasion of predatory blue crabs which risks jeopardising the economy of whole regions, authorities have said.

The crab, originally from the coast of north and south America, has spread across several lagoon-like locations in Italy over the past year, preying on local shellfish and posing a threat to the country’s role as one of the world’s leading clam producers.

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