sevinПОВОЛЖСКИЙ ЭКОЛОГИЧЕСКИЙ ЖУРНАЛPovolzhskiy Journal of Ecology1684-73182541-8963Федеральное государственное бюджетное учреждение науки Институт проблем экологии и эволюции им. А. Н. Северцова РАН; Товарищество научных изданий КМК.10.35885/1684-7318-2025-2-141-152sevin-653Research ArticleСтатьиФауна паразитов голомянок (Comephorus spp.) (Cottidae, Scorpaeniformes) оз. Байкал и ее изменения в возрастных рядах хозяевParasite fauna of Baikal oilfishes (Comephorus spp.) (Cottidae, Scorpaeniformes) in Lake Baikal and its changes in the age series of the hostshttps://orcid.org/0000-0003-1264-5394ДугаровЖ. Н.DugarovZ. N.

Дугаров Жаргал Нимаевич, Лаборатория паразитологии и экологии гидробионтов  

670047, г. Улан-Удэ, ул. Сахьяновой, д. 6

Zhargal N. Dugarov,  Laboratory of Parasitology and Ecology of Aquatic Species 

6 Sahiynovoi St., Ulan-Ude 670047

https://orcid.org/0000-0003-4491-5184БурдуковскаяТ. Г.BurdukovskayaT. G.

Бурдуковская Татьяна Геннадьевна, Лаборатория паразитологии и экологии гидробионтов

670047, г. Улан-Удэ, ул. Сахьяновой, д. 6

Tatyana G. Burdukovskaya,  Laboratory of Parasitology and Ecology of Aquatic Species 

6 Sahiynovoi St., Ulan-Ude 670047

 

https://orcid.org/0000-0001-7705-3125БатуеваМ. Д.-Д.BatuevaM. D.-D.

Батуева Марина Даши-Доржиевна, Лаборатория паразитологии и экологии гидробионтов

670047, г. Улан-Удэ, ул. Сахьяновой, д. 6

Marina D.-D. Batueva,  Laboratory of Parasitology and Ecology of Aquatic Species 

6 Sahiynovoi St., Ulan-Ude 670047

https://orcid.org/0000-0002-3529-4972БалдановаД. Р.BaldanovaD. R.

Балданова Дарима Ринчиновна, Лаборатория паразитологии и экологии гидробионтов

670047, г. Улан-Удэ, ул. Сахьяновой, д. 6

Darima R. Baldanova,  Laboratory of Parasitology and Ecology of Aquatic Species 

6 Sahiynovoi St., Ulan-Ude 670047

https://orcid.org/0000-0001-6650-5544ХамнуеваТ. Р.KhamnuevaT. R.

Хамнуева Татьяна Романовна, Лаборатория паразитологии и экологии гидробионтов

670047, г. Улан-Удэ, ул. Сахьяновой, д. 6

Tatyana R. Khamnueva,  Laboratory of Parasitology and Ecology of Aquatic Species

6 Sahiynovoi St., Ulan-Ude 670047

https://orcid.org/0000-0001-8568-8227ШестериковД. С.ShesterikovD. S.

Шестериков Дмитрий Сергеевич, Лаборатория паразитологии и экологии гидробионтов

670047, г. Улан-Удэ, ул. Сахьяновой, д. 6

Dmitriy S. Shesterikov,  Laboratory of Parasitology and Ecology of Aquatic Species

6 Sahiynovoi St., Ulan-Ude 670047

Институт общей и экспериментальной биологии СО РАНРоссияInstitute of General and Experimental Biology of the Siberian Branch of the Russian Academy of SciencesRussian Federation20253107202502141152Copyright © Дугаров Ж.Н., Бурдуковская Т.Г., Батуева М.Д., Балданова Д.Р., Хамнуева Т.Р., Шестериков Д.С., 20252025Дугаров Ж.Н., Бурдуковская Т.Г., Батуева М.Д., Балданова Д.Р., Хамнуева Т.Р., Шестериков Д.С.Dugarov Z.N., Burdukovskaya T.G., Batueva M.D., Baldanova D.R., Khamnueva T.R., Shesterikov D.S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://sevin.elpub.ru/jour/article/view/653

Аннотация. Большая и малая голомянки – эндемики оз. Байкал, которые являются наиболее многочисленными видами рыб в этом водоеме. Только эти два вида составляют группу пелагических рыб Байкала. Для голомянок характерно рассредоточенное распределение по вертикали: от поверхности до глубины 1000 м и более. В этом исследовании приведена характеристика современной ситуации по зараженности паразитами малой и большой голомянок и впервые дан анализ изменений фауны и численности паразитов в возрастных рядах этих эндемиков Байкала. В фауне паразитов большой голомянки насчитывается 14 видов, малой – 15 видов; в совокупности фауна паразитов обоих видов хозяев представлена 17 видами, при этом общими для обоих видов рыб являются 12 видов паразитов. При высокой степени сходства по видовому составу паразитов трематоды отмечены только у малой голомянки, что свидетельствует о различиях в экологии между двумя видами хозяев. Выявлено расхождение по изменениям видового богатства паразитов в возрастных рядах малой и большой голомянок: у первого хозяина оно увеличивается; у второго хозяина видовое богатство паразитов сначала увеличивается, затем уменьшается в старших возрастных группах. Это расхождение между голомянками связано с различиями в составе пищевого комка в средних и старших возрастных группах этих рыб. 

The big and little Baikal oilfish are endemic to the Baikal Lake, being the most numerous fish species there. Only these two species make up the group of pelagic fish of Lake Baikal. The Baikal oilfish are characterized by a dispersed vertical distribution, from the surface to a depth of 1000 m or deeper. This study provides a description of the current situation regarding parasite infestation in the big and little Baikal oilfish and, for the first time, provides an analysis of changes in the fauna and numbers of parasites in the age series of these endemics of Lake Baikal. There are 14 and 15 species in the parasite fauna of the big and little Baikal oilfish, respectively. In total, the parasite fauna of both host species is represented by 17 species, of which 12 species are common to both fish species. There is a high degree of similarity in the species composition of parasites in the Baikal oilfish, however, trematodes were found in the little Baikal oilfish only, which indicates differences in ecology between the two host species. A discrepancy was revealed in changes in the species richness of parasites in the age series of the little and big Baikal oilfish, namely: it increases in the first host, while in the second host, the species richness of parasites first increases, then decreases in older age groups. This discrepancy between the Baikal oilfish is associated with differences in the composition of the food bolus in the middle and older age groups of these fish. 

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The authors declare that there are no conflicts of interest present.