Environmental DNA in subterranean biology: range extension and taxonomic implications for Proteus

Photo: Zlatko Grizelj Špela Gorički, David Stanković, Aleš Snoj, Matjaž Kuntner, William R. Jeffery, Peter Trontelj, Miloš Pavićević, Zlatko Grizelj, Magdalena Năpăruş-Aljančič & Gregor Aljančič Photos: Zlatko Grizelj Abstract Europe’s obligate cave-dwelling amphibian Proteus anguinus inhabits subterranean waters of the north-western Balkan Peninsula. Because only fragments of its habitat are accessible to