Nasen return to Saane river after 25 years
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Photographer Michel Roggo documented around 50 Nasen, a fish species, in the Saane river near Fribourg, Switzerland.
This discovery marks the first sighting of such a large group in the canton of Fribourg for 25 years. The return of the Nasen follows decades of river restoration work aimed at improving habitats for aquatic wildlife. The Nasen population in Switzerland had declined significantly due to human activity and habitat degradation.
Manuel Pompini, responsible for aquatic fauna in the canton of Fribourg, explained that restoring the river's natural flow and adding gravel to the riverbed were key to creating suitable conditions for the fish to return. These restoration efforts not only benefit the Nasen, but also other species like trout and grayling. Although the Nasen remain elusive, Roggo’s photographs confirm their reappearance, signaling a positive trend for the species’ recovery in the region.
