Herring is a nutritionally dense food that you can add to many recipes from cuisines around the world. Whether you make it the star of a dish or use it as a protein-packed snack, ...

Herring is eaten around the world, with noted popularity in Sweden. ... The fat, coupled with the protein, make it a great food for survival, especially during winter months.

"Herring are a linchpin in the food chain," said Phil Levin, who oversees ecosystem sciences at the National Oceanic and Atmospheric Administration's Northwest Fisheries Science Center in Seattle.