[REVISION HISTORY]

Wadden Sea shark population recovery

Updated 1 time since CLSTR started tracking revisions of this situation.

What changed

2026-07-26 06:03 UTC → 2026-08-20 11:09 UTC · added ~~removed~~

In July ~~2026~~ 2026, researchers reported a notable rebound of shark numbers in the Wadden Sea after decades of decline. Surveys near the Dutch islands of Schiermonnikoog and Ameland recorded hundreds to thousands of juvenile sharks, including ~~white‑spotted smooth‑hound, dogfish~~ white-spotted smooth-hound, dogfish, and other ~~north‑sea~~ North Sea species, suggesting the area now functions as a seasonal nursery. The resurgence was linked to recent policy measures that limited shark and ray catches, alongside broader climate influences such as warmer sea temperatures. Continued protection under the European shark action plan and reduced ~~over‑fishing~~ over-fishing were cited as further contributors. Scientists emphasized that the sharks pose no danger to beachgoers while helping to regulate regional fish stocks. By August 2026, researchers from Wageningen University confirmed that thousands of sharks had been spotted near the Dutch coast, specifically around the islands of Schiermonnikoog, Ameland, and Terschelling. They clarified that the sightings primarily consist of young dogfish and lesser spotted catsharks, which are considered harmless to swimmers. Both reports underscore the need for ongoing monitoring, as several local shark species remain listed as threatened on Germany’s Red List. The findings signal a positive trend for marine biodiversity in the Wadden Sea and its adjacent North Sea waters.

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