River biotope, natural habitat, natural biotopes.

Biotope of the Kuibyshev Reservoir (Eastern Europe, Volga River Basin, Western Russia). Water supply system: Kuibyshev reservoir. - R. Volga - Saratov reservoir. - Volgograd reservoir. - R. Volga - Caspian Sea Season: autumn Month: October Time of day: day Shooting depth: about 2 meters Hydrobionts: Common roach, roach (Rutilus rutilus). Common bleak, Bleak (Alburnus alburnus). River perch, or common perch (Perca fluviatilis). #biotope #habitat #underwater