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Salmon at Cargill’s aquaculture research laboratory in Dirdal, Norway.

Salmon at Cargill’s aquaculture research laboratory in Dirdal, Norway.

Photographer: Carina Johansen/Bloomberg
Businessweek
Innovation

Salmon Farmers Are Scanning Fish Faces to Fight Killer Lice

New technology will use facial recognition to build individual medical records for millions of fish.

Not even fish will be able to escape the onslaught of facial-recognition cameras.

Millions of Atlantic salmon could have their faces stored in digital databases to track their health and single out those posing threats to their marine surroundings.