‘Something out of the ordinary’: why are Japan’s oysters dying en masse?

A death rate of up to 90%, attributed to warming seas, is threatening the trade in Hiroshima prefecture, which produces most of the country’s farmed oysters The Kure oyster festival is doing a brisk trade in beer and grilled meat on sticks. But the longest queues are in front of the oyster stalls, where chefs shuffle piles of mottled shellfish across griddles, waiting for their hinges to ease and reveal their fleshy interiors. Nobuyuki Miyaoka, who is attending the festival with his son, daug...

By Justin McCurry in Kure. Photographs by Kazuma Obara