Jellyfish and viral disease behind record salmon mortality in Norway

While there have been fewer sightings of jellyfish this year, they could still affect mortality numbers for 2024.

There must be physical contact between the string jellyfish and the fish for it to be damaged.
There must be physical contact between the string jellyfish and the fish for it to be damaged.Photo: Erling Svensen/Havforskningsinstituttet
Published 9 February 2024, 04:01Updated 17 April 2024, 12:26