Makers of canned fish are taking their products upscale, riding a wave of online popularity among young foodies.⁠ ⁠ U.S. sales of canned seafood rose 9.7% to $2.7 billion in 2022, according to data provider Euromonitor International, with industry executives crediting the increase to a surge in demand from younger shoppers seeking novel but still affordable foods.⁠ ⁠ A big driver of interest, industry executives say, has been social media. A search on the social-media app TikTok shows to date more than 25 million views for videos tagged #tinnedfish, with users sharing their experiences with different cans and recommending certain brands.⁠ ⁠ “I think there used to be a lot of shame associated with tinned fish,” said Claire Dinhut, who has posted videos showing her online followers the range of canned fish varieties and recipe ideas. “One, because it was considered a poor man’s food and two, because, oh, it’s stinky.”⁠ ⁠ To capitalize on the trend, sellers are launching new products, exp...