Since March 31, the ichthyology laboratory team of the Scientific and Production Center of Fisheries LLP (head of the expeditionary unit – S.Zh. Makambetov, acting head – Zh.M. Bakkhozha, researcher – R. Igilik, senior laboratory assistant – N.M. Zhazykbaev, laboratory assistant – N.K. Sakharin) has been conducting scientific research at the Lower and Middle Kolsai Lakes. These lakes are located within the specially protected natural area of the Kolsai Kolderi State National Nature Park, under Program 021 (Subprogram 100).

The objective of the study is to examine the reproduction of trout in the Kolsai Lakes. Currently, the expedition team is collecting ichthyological samples for biological analysis, including morphometric data (length and weight), sex identification, maturity stage, age, and fecundity.

The Lower and Middle Kolsai Lakes are situated in the Kegen District of the Almaty Region. Comprehensive scientific research at the Kolsai Lakes has been carried out by the Scientific and Production Center of Fisheries since 2017.