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Bluefin tuna tagged for the first time in UK waters with acoustic ‘residency’ tags

For the first time in the UK, bluefin tuna have been tagged with acoustic trackers to help researchers monitor their movements.

The 7cm long tag sends sound messages to listening stations allowing for scientists to record and track the duration of how long bluefin tuna are in UK waters each year. 30 bluefin tuna were tagged to aid in in the understanding of of when the fish arrive, and how quickly they can make the journey across the Channel to France.

The data will assist authorities across the Channel region to enforce Ecosystem Based Fisheries Management (EBFM) programs to increase the water quality of these habitats, as well as monitoring human activities for sustainability and safety of wildlife.

Photo Credit: Tom Horton @ 2021

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