Poor pickled herring — it has lost its mojo. Once a darling of every bagel brunch, it might make an appearance nowadays at your grandparents’ table, but probably not at yours. While herring from a jar ...

In a fancy women’s department store in Osaka, Japan, earlier this year, shoppers lined up for one of the latest food fads in the country, jars of pickled herring. “We Japanese love herring,” said ...