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Fish farmers in Norway are urged to prepare for influx of deadly string jellyfish by Norwegian Food Safety Authority.

New Faroe Islands project delves into little-studied jellyfish biodiversity, building a baseline of knowledge which could help in tackling harmful jellyfish blooms, a deadly problem for aquaculture.

In 2023, unusually high numbers of "pearl chain" or string jellyfish in Norwegian waters led to millions of farmed fish deaths. The JellySafe project aims to prevent this happening in future, with NOK ...

Lerøy's Q4 trading update shows biomass going into 2024 is lower than expected due to effects of string jellyfish during the fourth quarter of 2023.

The fish deaths continue a run of bad luck at SalMar's Senja-based operations. Up to 200,000 fry were also killed in November due to a technical error at its smolt production facility.

The "barbed wire" jellyfish, whose sting can prove fatal for farmed fish, have been spotted in increasing numbers especially in Western Norway.