Fishes BCF of each fish Cd Co Cu Mn Fe Pb Zn Cr Ni Catfish - 2.97 4.77 4.44 41.76 2.81 12.86 5.07 2.18 Tilapia - 2.59 4.02 4.92 18.92 2.00 8.66 3.53 1.97 Barbus - 1.80 2.38 2.45 13.84 1.27 5.02 1.67 1.29

Table 4: Bioconcentration factor of reservoir fishes muscle (catfish, tilapia and barbus).