Zerbst, Saxony-Anhalt, Germany. 18th Dec 2019. Jens Winterheuser from the Institut für Binnenfischerei Potsdam-Sarow searches for spawning salmon with an electric fishing gear. Over the past ten years, a total of 143,500 young salmon and 90,300 sea trout hatchlings have been released into the Nuthe near Zerbst. The fish migrate across the North Sea to the Atlantic and return from there to spawn in the Nuthe after a few years. Credit: Mattis Kaminer/Alamy Live News
Mattis Kaminer / Alamy Stock Photo
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