摘要:The results of a malacological survey of the Krka River between Knin and Skradinski buk waterfalls in the Krka National Park are presented. The molluscan assemblages of this karstic river were studied from 2009 to 2013. Altogether, 27 species of freshwater molluscs (19 gastropods, 8 bivalves) were found at 14 sites. Theodoxus fluviatilis, Bithynia tentaculata, Valvata piscinalis, Stagnicola fuscus, Physa fontinalis and Anodonta anatina were dominant at most of the sites. A population of the endangered Anisus vorticulus was found upstream of the Skradinski buk waterfalls and in Visovac Lake.