Fauna of helmints of a perch Perca fluviatilis L., 1758 (Osteichthyes, Perciformes) of the Big Cheremshan’s river (Kuibyshev reservoir)

Original data are obtained about fauna of helmints of a perch in a Big Cheremshan’s rivar. Participation of parasites of a perch is defined in life cycles of fisches and fish-eating birds. Results of researches allow to receive indirect data on process of settling in a reservoir of alien types of hydrobionts.