Research area:

marine fish trematodes.

 

Membership in editorial boards, scientific communities, and other organizations:

member of the editorial board – scientific journal Aquatic Bioresources & Environment;

secretary – Crimean Branch of Society of Parasitologists of the RAS.

 

Major papers over the past five years:

Kornyychuk Yu. Find of a trematode Helicometra fasciata (Rud., 1819) sensu lato from the Black Sea common stingray Dasyatis pastinaca (Linnaeus, 1758). Marine Biological Journal, 2025, vol. 10, no. 2, pp. 61–66. https://marine-biology.ru/mbj/article/view/482

 

Kornyychuk Yu. M. The first finding of trematodes from the invaders to the Black Sea, Sarpa salpa (Linnaeus, 1758) (Pisces: Teleostei, Sparidae), and notes on the ways of salps trematode fauna formation in this sea. Rossiiskii zhurnal biologicheskikh invazii, 2024, vol. 17, no. 2, pp. 84–93. https://doi.org/10.35885/1996-1499-17-2-084-093

 

Kornyychuk Yu. M., Pronkina N. V., Polyakova T. A. Endohelminthes of Scorpaena porcus Linnaeus, 1758 (Pisces: Scorpaenidae) in the southwestern part of the Crimean Black Sea shelf. Invertebrate Zoology, 2023, vol. 20, no. 4, pp. 390–400. https://doi.org/10.15298/invertzool.20.4.04

 

Kornyychuk Y., Anufriieva E., Shadrin N. Diversity of parasitic animals in hypersaline waters: A review. Diversity, 2023, vol. 15, iss. 3, art. no. 409 (22 p.). https://doi.org/10.3390/d15030409

 

Polyakova T. A., Kornyychuk Yu. M., Pronkina N. V. Checklist of Syngnathidae parasites in the Black Sea and the Sea of Azov. Inland Water Biology, 2023, vol. 16, no. 6, pp. 1141–1158. https://doi.org/10.1134/S1995082923060184

 

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. https://doi.org/10.5252/zoosystema2022v44a15

 

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. https://doi.org/10.2478/helm-2022-0006

 

Kornyychuk Yu. M. The cercariae of Helicometra fasciata (Rud., 1819) sensu stricto (Trematoda: Opecoelidae): Morphology and behavior. Ekosistemy, 2022, no. 30, pp. 106–113. https://elibrary.ru/opwgvp