Abstract
The long–toed crayfish Pontastacus leptodactylus (Eschscholtz, 1823) is the only object of freshwater commercial invertebrates living in the lake. Bridge of the Altai Territory. This paper presents the dynamics of crayfish production (catch) by organized fishing in the period 2010-2022. A review of changes in the state of the cancer population in terms of size, mass and sexual structure was carried out. The characteristic of the reasons for the change in the fishing stock and the assessment of its current state are also given.
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