Analysis of the morphological parameters of Thymallus arcticus of the Kazyr river (r. Yenisey basin)

This article provides information on the morphophysiological parameters of Thymallus arcticus. Мorphological indicators: age, height and weight. The fish was caught in the summer (August) 2021 from the Kazyr River (Krasnoyarsk Territory). The size, weight and age characteristics of the Siberian grayling are analyzed. The results were processed using standard statistical methods. The information and the location are new to research.