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Salt-grilled sanma—once a staple in Japanese homes—is becoming less common. (© Kawamoto Daigo)
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The price of ikura has increased nearly threefold over the last 10 years. (© Kawamoto Daigo)
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Bundles of king crab legs selling for ¥34,000. Short supplies since 2021 have led to higher prices. (© Kawamoto Daigo)
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Fresh sardines over 100 grams known as ōba on sale. (© Kawamoto Daigo)
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The domestic mackerel available on the market in Japan are generally larger fish weighing at least 500 grams. (© Kawamoto Daigo)
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Large catches of smaller-sized mackerel and sardines are marked for uses other than human consumption. (© Kawamoto Daigo)
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Heshiko, a local delicacy consisting of mackerel pickled in rice bran paste, is increasingly made using fatty mackerel imported from Norway. Some restaurants have a policy of using only domestic mackerel as a way to attract customers. (© Pixta)