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Affiliation: A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS

Position, academic degree, rank: Leading Researcher, PhD

Address: 2 Nakhimov ave., Sevastopol, 299011, Russian Federation



Research area:

marine fish trematodes.



population biology, life cycles, fauna of trematode, trematode systematics, and parasites as makers of marine fishes local stocks.


Membership in international and Russian publishing associations, scientific communities, and other organizations:

Member of Editorial Board – scientific journal "Aquatic Bioresources & Environment" of the Azov–Black Sea Branch of "Research Institute of Fisheries and Oceanography" (AzNIIRKH);

Vice President – Crimean Branch of Russian Hydrobiological Society (since 2015);

Secretary – Crimean Branch of Society of Parasitologists of the RAS (since 2014);

Member – Ukrainian Scientific Society of Parasitologists (since 1992).



Sokolov S. G., Shchenkov S. V., Khasanov F. K., Kornyychuk Y. M., Gordeev I. I. Redescription and phylogenetic assessment of Helicometra antarcticae Holloway & Bier, 1968 (Trematoda, Opecoelidae), with evidence of non-monophyletic status of the genus Helicometra Odhner, 1902. Zoosystema, 2022, vol. 44, no. 15, pp. 423–433.


Kornyychuk Y., Polyakova T., Pronkina N. New data on pipefishes’ and seahorse’s endohelminths off Crimean coasts of the Black Sea. Helminthologia, 2022, vol. 59, no. 1, pp. 74–82.


Катохин А. В., Корнийчук Ю. М. Генотипирование черноморских трематод семейства Opecoelidae по митохондриальным маркерам // Морской биологический журнал. 2020. Т. 5, № 4. С. 15–27.


Özer A., Öztürk T., Okkay S., Yurakhno V., Kornyychuk J. Light and scanning electron microscopic observations on Grillotia erinaceus (Cestoda: Trypanorhyncha). Aquatic Sciences and Engineering, 2020, vol. 35, iss. 3, pp. 64–68.


Katokhin A. V., Kornyychuk Yu. M. First data of ITS1-genotyping of the Black Sea trematodes Cainocreadium and Helicometra (Trematoda: Opecoelidae). Marine Biological Journal, 2018, vol. 3, no. 4, pp. 36–42.


Kornyychuk Yu. M. To the 125th anniversary of Vladimir Vodyanitsky. Marine Biological Journal, 2018, vol. 3, no. 1, pp. 76–78.


Özer A., Yurakhno V., Öztürk T., Kornyychuk Y. M. Myxosporean parasites of Ceratomyxa merlangi and Myxidium gadi in whiting Merlangius merlangus: A comparative epizootiological analysis based on samples from two localities off Southern and Northern coasts of the Black Sea. Parasitology Research, 2017, vol. 116, iss. 9, pp. 2463–2469.


Корнийчук Ю. М. Полигостальные гельминты: как количественно оценить значимость их окончательных хозяев. Журнал общей биологии. 2017. Т. 78, № 6. С. 30–42.