Morphological Features and Endoparasite Fauna of Some Whitefishes and Grayling Fishes from the Eastern Part of Lake Sobachye (the Putorana Plateau)

Research on Lake Sobachye, part of the UNESCO-listed Putorana Plateau, reveals significant insights into the morphological features and endoparasite fauna of cisco, round whitefish, and Siberian grayling. The study found that the local cisco population exhibits a low average number of vertebrae, distinguishing it from other cisco species, and shows strong genetic similarity to European vendace populations. Additionally, the round whitefish in this region is confirmed as a single population with no basis for distinguishing between 'Arctic' and 'Boreal' groups. Notably, the study identified Lake Sobachye as a site of diphyllobothriasis, with cisco and whitefish acting as carriers of the cestode Diphyllobothrium dendriticum. The prevalence of this parasite in cisco has increased dramatically from 73% to 96%, along with a doubling in infestation intensity since previous studies.

Romanov, V. I., Polyaeva, K. V.,. (2019). Morphological Features and Endoparasite Fauna of Some Whitefishes and Grayling Fishes from the Eastern Part of Lake Sobachye (the Putorana Plateau). Journal of Siberian Federal University. Biology, 1–19. https://doi.org/10.17516/1997-1389-0291