China's gourmet crab industry has become the latest victim of the authorities' crackdown on corruption, following high-end spirits and luxury cars.

The arrival of freshwater "hairy crabs" - a delicacy named for the bristles on the claws - on the market every autumn is eagerly awaited.

But the crabs have lost some of their appeal as anti-graft and austerity campaigns launched by the top leadership show little sign of abating.