Electronic oyster leads police to poachers

Oyster growers in France have a new weapon in their battle with thieves who steal tonnes of their produce every Christmas season: electronic beacons disguised as oysters that alert gendarmes if they are moved from the seabed. Flex-Sense, a start-up company at La Rochelle, has taken €1 million worth of orders since it launched its “mystery oyster” last month. The white plastic-covered transmitter is designed to attract the same seaweed and incrustations as the oysters around it.

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