GENDER AND AGE STRUCTURE OF THYMALLUS ARCTICUS (RIVER KAZYR)
The article provides data on Thymallus arcticus, which was caught in the summer (August) 2020 from the Kazyr River (Krasnoyarsk region). The gender and age characteristics of Siberian grayling are analyzed. We also compared the data on Thymallus arcticus from this work with the data from another work (fish were caught in August as well). The information and the location are new to research.