title: The state of crayfish (Astacidae) populations in a certain area of the Caspian Sea Eastern coast in 2022
abstract: The aim is to study crayfish (Astacidae) distribution, fertility and stocks in coastal waters on the Caspian Sea Eastern shelf in the area between cape Rakushechny and cape Tokmak. The research was carried out in summer 2022. The material was collected by shallow-water divers using the method of crayfish route census and selection at the transects with an area of 100-200 m2. Collected samples were speciated, measured, weighed and evaluated from fertility viewpoint. Population was estimated on th