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 ...

Testing lice traps on the Hardanger coast

Salmon lice are one of the biggest challenges for the Norwegian aquaculture industry today and pose a threat to wild salmon. The authorities have therefore introduced several measures to reduce the lice levels in production ...

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.

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