Skrei is the name given to the specific population of Atlantic cod - the Northeast Arctic cod - that migrates each winter from the Barents Sea down to the Lofoten coastal waters to spawn. The migration is one of the largest in the global ocean: approximately one million tonnes of cod move south each year between January and April, drawn to the same spawning grounds their ancestors have used since the last ice age. The word skrei is from Old Norse skreið meaning wanderer.
The skrei is biologically the same species as standard farmed Atlantic cod (Gadus morhua), but the population is genetically distinct and the eating quality is significantly different. The skrei is leaner than farmed cod (the long migration burns the fat reserves), has a firmer flake (the strenuous open-ocean swimming builds the muscle), and carries a sweeter, more mineral flavour that has earned the population a Norwegian protected designation of origin - only fish meeting strict size, freshness and handling criteria can carry the Skrei label, which is now legally protected.
The Lofoten skrei fishery is medieval in origin and was the original economic engine of the entire Norwegian coast. The dried skrei (tørrfisk) was Norway's principal export from at least 1100 onward, traded through the Hanseatic wharf at Bryggen in Bergen to Catholic Europe and beyond. The wooden drying racks (hjell) that line the western Lofoten villages every winter are still in working use and represent the longest continuously operating commercial food production technique in Northern Europe.
For the visitor, fresh skrei is best eaten in season (January through early April) in a Lofoten or Bergen restaurant. The classic Norwegian preparation is poached fillet with mustard sauce and boiled potatoes, served with cured roe and liver - the so-called skrei-mølje. Outside Norway, fresh skrei is exported in season to a small number of high-end restaurants in northern Europe and increasingly Japan; the New York Times Magazine has covered the international skrei trade in a 2023 long-form. See our editorial What the cold remembers.