The analysis of species composition and number of white Baikal grayling parasites in the Bezymiannaia bay of lake Baikal (Pribaikalsky district of the Republic of Buryatia) is carrying out. This bay is promising object of tourist and recreational activities, it is part of the special economic zone of tourist and recreational type “Baikal Harbor”. The availability of data on the species composition and number of different groups of species, including parasites, in the current years, will undoubtedly allow to assess the ecological status of the Bezymiannaia bay as a part of the "Baikal Harbor" in the future, with the planned strengthening of tourist and recreational activities and the creation of appropriate infrastructure for it. Ten species from seven taxonomic groups were noted in the fauna of white Baikal grayling parasites from this bay: Myxosporea – Henneguya cerebralis Pronin; Monogenea – Tetraonchus borealis (Olsson); Cestoda – Diphyllobothrium dendriticum (Nitzcsh), Proteocephalus thymalli (Annenkowa-Chlopina); Trematoda – Phyllodistomum umblae (Fabricius), Diplostomum huronense (La Rue); Nematoda – Contracaecum osculatum baicalensis Mozgovoi et Ryjikov, Comephoronema werestschagini Layman; Acanthocephala – Echinorhynchus salmonis Müller; Crustacea – Salmincola thymalli (Kessler). Myxosporea H. cerebralis is first celebrated at the white Baikal grayling. The dominant species among the parasites of the white Baikal grayling in the Bezymiannaia bay is parasitic crustacean S. thymalli. 4 specific species are identified in the parasite fauna of this host in the given reservoir: H. cerebralis, T. borealis, P. thymalli (Annenkowa-Chlopina), S. thymalli. Two species of parasites, the nematode C. o. baicalensis and Com. werestschagini are endemic for Baikal.

Shesterikov Dmitry Sergeevich, Postgraduate, Institute of General and Experimental Biology SB RAS, 6, Sakhyanovoy st., Ulan-Ude, 670047, Russian Federation, tel. (3012) 43–42–25, e-mail: shesterikov1501@mail.ru 

Dugarov Zhargal Nimayevich, Candidate of Science (Biology), Senior Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel.: (3012) 43–42–25, e-mail: zhar-dug@biol.bscnet.ru 

Burdukovskaya Tatyana Gennadyevna, Candidate of Science (Biology), Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel.: (3012) 43–42–25, e-mail: tburduk@yandex.ru 

Tolochko Larisa Vitalievna, Engineer, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel.: (3012) 43–42–25, e-mail: lar-tolochko@yandex.ru 

Zhepkholova Oyuna Biliktuyevna, Engineer, Institute of General and Experimental Biology SB RAS, 6, Sakhyanovoy st., Ulan-Ude, 670047, Russian Federation, tel. (3012) 43–42–25, e-mail: o.zhepholova@yandex.ru 

Sondueva Lyudmila Doinkhorovna, Candidate of Science (Biology), Junior Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel.: (3012) 43–42–25, e-mail: sondl@mail.ru 

Baldanova Darima Rinchinovna, Candidate of Science (Biology), Deputy Director, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel.: (3012) 43–42–25, e-mail: drb@biol.bscnet.ru 

Khamnueva Tatyana Romanovna, Candidate of Science (Biology), Junior Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel. (3012) 43–42–25, e-mail: khamnu@mail.ru 

Vokin Aleksey Innokentyevich, Candidate of Science (Biology), Associate Professor, Irkutsk State University, 1, K. Marx st., Irkutsk, 664003, Russian Federation, tel.: (3952) 24–18–55, e-mail: olgairk3@rambler.ru 

Batueva Marina Dashi-Dorzhievna, Candidate of Science (Biology), Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670047, Russian Federation, tel.: (3012) 43–42–25, e-mail: badmm_@rambler.ru

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