Science & technology | Fish out of water

The future of fish farming is on land

New systems cut pollution and allow fish to be raised anywhere in the world

Land-based salmon in a recirculated aquaculture system (RAS) in tanks
Image: Alamy
|Bodø, Norway

THE RUGGED, chilly coast of northern Norway, beyond the Arctic Circle, is not usually thought of as prime agricultural land. But far down a dead-end road on the shores of Skjerstad Fjord sits Salten Smolt, one of the most advanced farms in the world. Rather than crops or cows, though, the firm produces fish. Inside its 7,000 square metre main building are tanks capable of producing 8m smolt—juvenile Atlantic salmon—every year.

This article appeared in the Science & technology section of the print edition under the headline “Fishy business”

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