If you travel to Portugal, chances are you will come back home with an array of souvenirs in the shape of sardines. And during the country's festivities in June, 13 sardines are eaten every second.

Chile’s government has temporarily banned the consumption of sardines in the south of the country after hundreds of thousands of dead fish turned up floating along the shores of Queule River.

Not only are canned sardines a staple in the country, but fresh sardines are equally important. Families commonly host sardinhadas or sardine barbecues, using the same simple seasonings and olive ...