Abstract
This article summarizes the materials on the dynamics of catch and professional stocks of long-legged crayfish in the study at the sites of Maltsev, Vatazhny, Igolkinsky, Avian in the pre-estuary space of the Kigash River in the fisheries reservoir of the Zhaiyk-Caspian basin at the present stage. Currently, there is practically no information about long-toed crayfish and their number in the Zhaiyk-Caspian basin. In this regard, the aim of the study was to assess the state of long-toed crayfish stocks in the Kigash River in the pre-estuary space. Summary data on stocks of long-toed crayfish and their biological characteristics are presented. The biological and percentage indicators of long-toed crayfish in the pre-estuary space of the Kigash River, the distribution in the preestuary space, and the maximum permissible sizes of long-toed crayfish are given. The results of research work for 2022 are discussed.
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