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An octopus ‘plague’ has left the UK shellfish industry reeling

Warming seas have increased the number of octopuses off the waters of the UK, decimating shellfish numbers and leaving fishermen floundering

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Fisherman Chris Kelly holds an octopus he caught, aboard his vessel in Plymouth Harbour, southwest England. An octopus bloom in UK waters has disrupted the shellfish industry. Photo: AFP
Agence France-Presse

When veteran fisherman Brian Tapper checked his 1,200 crab pots in waters off southwest England during this year’s crabbing season, he got a series of unwelcome surprises.

At first, in March and April, they were almost empty. Then, starting in May, they were unexpectedly packed with octopuses before sitting largely empty again over the last month or so.

It has been a similar story along the UK’s Devon and southern Cornwall coastline, where the seas are warming and an octopus bloom – the biggest in British waters in 75 years – has left the shellfish industry reeling.
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The tentacled molluscs are notoriously voracious eaters, hoovering up crustaceans such as crabs and shellfish.

Tapper’s wife has already closed her dockside crab processing factory because of the diminished catch, while he doubts he can keep his side of the business afloat.

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“It’s like a perfect storm for us,” Tapper said from Plymouth Harbour, where his three purpose-built crab fishing vessels are idled.

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