Protistology 9 (2) 67–74 (2015) |
Prevalence of Myxidium rhodei (Cnidaria, Myxosporea) in the Lake Baikal basin |
1 Laboratory of Parasitology and Ecology of Hydrobionts, Institute of General
and Experimental Biology of Siberian Branch of Russian Science Academy, Ulan-Ude, Russia
Summary Distribution and prevalence of a myxosporean parasite, Myxidium rhodei Leger, 1905, infecting two cyprinid fish, a roach Rutilus rutilus and Siberian dace Leuciscus leuciscus baikalensis, have been studied in water bodies of the Lake Baikal basin. Over 15-year period (1998-2013), a total of 246 roaches and 189 daces from 27 stations were surveyed. Plasmodia of M. rhodei were registered in the Bowman’s capsules and interstitials in fish kidneys. M. rhodei was recorded in roach and dace almost in all studied water bodies and rivers of the Lake Baikal basin, except Lake Ugii-Nur and the northern part of Lake Khovsgol. Infection intensity of roaches was significantly higher in Lake Baikal than in rivers and lakes of the basin. Benthophagous roaches displayed significantly higher infection intensity than euryphagous daces.
Key words: distribution, fish, Lake Baikal, Myxidium, Myxosporea, parasites
Address for correspondence: Marina Batueva. Laboratory of Parasitology and Ecology of Hydrobionths, Institute of General and Experimental Biology of Siberian Branch of Russian Science Academy, Sakhyanova street 6, Ulan-Ude, 670047, Russia; e-mail: badmm_@rambler.ru |
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