he unguided dumping, deliberate application and accidental discharge of industrial and agricultural effluents into aquatic water bodies have often resulted in the release of recalcitrant environment threat to the aquatic ecosystems include DDT, Polychlorinated biphenyls (PCBs) and toxic heavy metals. Bioaccumulation potentials of aquatic organisms permit the concentration of these contaminants to levels greater than that in the ambient environment.
