Taking the environmental bite out of salmon farming

In a peaceful bay off Norway's Hitra island, massive nets teem with salmon destined for dinner tables worldwide—an export boon for the Nordic nation that comes with a long list of environmental side-effects.

More salmon and more hydropower

Norwegian research shows that it is perfectly possible for rivers to produce more salmon and electricity at the same time: a new environmental handbook shows the way.

Finicky young wrasse want shrimp

Ballan wrasse are picky eaters when young. As adults, they eat sea lice off the skin of salmon – which makes them valuable to fish farmers. But as juveniles, wrasse want to be served shrimp.

West coast experiencing decreasing trends in salmon spawning

The number of adult sockeye salmon produced per spawner has been decreasing over the last decade or more along the western coast of North America, from Washington state up through British Columbia and southeast Alaska. A ...