Fauna of fish parasites in water bodies of the north‑east of Armenia
- 作者: Hovhannisyan R.L.1, Shcherbakov O.V.1, Hakobyan S.H.1, Mkrtchyan J.A.1, Rukhkyan M.Y.1
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隶属关系:
- National Academy of Sciences, Republic of Armenia
- 期: 卷 17, 编号 4 (2025)
- 页面: 543-576
- 栏目: Experience of Regions
- ##submission.datePublished##: 31.10.2025
- URL: https://journal-vniispk.ru/2658-6649/article/view/352096
- DOI: https://doi.org/10.12731/2658-6649-2025-17-4-1497
- ID: 352096
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Background. Fish parasitic diseases seriously damage fish farming, and significantly influence the fish viability. North-East region of Armenia (Sevan lake basin, and Aghstev river valley) are the most important recreation center of the country. Ecosystems of the mentioned region have been undergone antropopression signidicantly. Research of biodiversity including parasitocenoses as one of the main bioindicators of the results of anthropogenic factor`s influence in the mentioned region has an important significance from this point of view. At the same time, it should be noted that fauna of fish parasites in Aghstev river remains unexplored up to now.
Purpose. Research of fauna of fish parasites in water bodies of the North-East part of Armenia, namely Sevan lake basin, and Aghstev river with Getik tributary.
Materials and methods. 150 specimens of 9 fish species have been examined: silver Prussian carp, capoeta, Kura schneider, Sevan and Kura barbel, white fish, oxynoemacheilus, Kura bleak, and golden loach. Fish examination was performed at the Scientific Center of Zoology and Hydroecology, according to the certain methodology of the parasitological dissections. Statistical processing of the results was performed by means of BioStat 2009 software.
Results. 12 species of parasites were detected in the examined fishes. Fish parasite infection overall rate in water bodies of North-East Armenia was equal to 63.3%. Levels of fish infection with Diplostomum metacercariae (42%), Dactylogyrus sp. (6.67%), Rhabdochona fortunatowi (6.67%), as well as Ligula pleurocercoids (6.0%), and adult Schyzocotyle acheilognathi (6.0%) were maximal, while those with Gyrodactylus spp. (0.67%), and Allocreadium isosporum (0.67%) were minimal. The most pathogenic of the detected fish parasites were Diplostomum metacercariae infecting eye lens, and Ligula pleurocercoids located in the fish body cavity. Maximal number of the detected species of parasites has been registered in capoeta (7 species), and Kura barbel (6 species).
Conclusion. Fauna of fish paraistes in water bodies of North-East Armenia does not characterized by high diversity. Fauna of fish parasites in Aghstev river is influenced by the authochthonous parasite fauna of Kura river, the right tributary of which is the river Aghstev. To a somewhat lesser extent, it is determined by invasive species of parasites that entered the region with the invasive and introduced fish species, including commercially important ones.
作者简介
Ruzanna Hovhannisyan
National Academy of Sciences, Republic of Armenia
编辑信件的主要联系方式.
Email: ruhov37@rambler.ru
ORCID iD: 0000-0003-4277-7785
PhD, Senior Researcher at the Laboratory of General Helminthology and Parasitology, Scientific Center of Zoology and Hydroecology
亚美尼亚, 7, P. Sevak Str., 0014, Yerevan, Republic of Armenia
Oleg Shcherbakov
National Academy of Sciences, Republic of Armenia
Email: oleg1vet@yandex.ru
ORCID iD: 0000-0001-7533-1670
PhD, Senior Researcher at the Laboratory of Molecular Parasitology, Scientific Center of Zoology and Hydroecology
亚美尼亚, 7, P. Sevak Str., 0014, Yerevan, Republic of Armenia
Susanna Hakobyan
National Academy of Sciences, Republic of Armenia
Email: susannahakob@gmail.com
ORCID iD: 0009-0000-3700-2024
PhD, Head of the Laboratory of Hydrobiology, Scientific Center of Zoology and Hydroecology
亚美尼亚, 7, P. Sevak Str., 0014, Yerevan, Republic of Armenia
Jon Mkrtchyan
National Academy of Sciences, Republic of Armenia
Email: jonmkrtchyan.arm@gmail.com
ORCID iD: 0009-0007-9937-8132
PhD, Researcher at the Laboratory of Molecular Parasitology, Scientific Center of Zoology and Hydroecology
俄罗斯联邦, 7, P. Sevak Str., 0014, Yerevan, Republic of Armenia
Martin Rukhkyan
National Academy of Sciences, Republic of Armenia
Email: martin-rukhkyan@yandex.ru
ORCID iD: 0000-0002-9559-9719
PhD, Senior Researcher at the Laboratory of General Helminthology and Parasitology, Scientific Center of Zoology and Hydroecology
俄罗斯联邦, 7, P. Sevak Str., 0014, Yerevan, Republic of Armenia
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