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Water quality parameters, concentrations of heavy metals (Pb, Cd and Cr) and metalloid (As) in water, sediment and silver barb fish ( Barbonymus gonionotus ) from reservoir near municipal landfill were investigated. Bioaccumulation factor (BAF) of heavy metals and metalloid in  B. gonionotus  and levels of malondialdehyde (MDA), hydrogen peroxide (H 2 O 2 ), superoxide dismutase (SOD) and catalase (CAT) were determined. Biochemical oxygen demand (BOD) exceeded the standard. The BAF values of heavy metals and metalloid in gill, liver and muscle were higher than 1, except for Pb in the muscle. The MDA and H 2 O 2  in the fish from the municipal landfill area were higher than the reference area. The SOD and CAT in the fish from the municipal landfill area were lower than the reference area. Metal accumulations in  B. gonionotus  as well as BOD can induce oxidative stress.

Bioaccumulation and oxidative stress in Barbonymus gonionotus affected by heavy metals and metalloid in municipal landfill reservoir