As Japan’s consumer tastes change, marketers hope to create the next hot herring product
While Japan's obsession with seafood may never change, it's tastes are evolving. Alaskan herring roe -- kazunoko -- is finding its way snack foods, and other non-traditional products. But there is strong competition from domestic herring, too. This is Part 4 of "Phantom Fish: The return of Japan's vanished herring industry."
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