Author(s): Elinge CM, Obaroh IO, Muhammad A, Yanah YM and Abdullahi LY

Abstract: Human activities had been the major cause of pollution in water globally. The concentrations of heavy metals being a major pollutant could be assessed using aquatic vertebrate. Thus this study was carried out to evaluate the concentrations of some heavy metal (Zn, Mn, Fe, Cu, Cd, Cr, Ni, and Pb) both in gills and muscle of Synodontis schall and Synodontis membranaceus in River Zamare. Analyses were carried out using Atomic Absorption Spectrophotometer (AAS). The results showed that, gills of the two fish species had highest concentration of heavy metals than the muscles. Nickel observed in these studies was considerably higher than the recommended limit for heavy metals with the gills of Synodontis schall having the highest concentration of 1.90±0.39mg/L. Lead was not detected in both gills and muscles of the two fish species, Chromium was also not detected in the gills of the two fish species. There was no significance difference (P>0.05) in the concentration of heavy metal in both muscles and gills. This study shows that, there is a need for proper monitoring of the river.

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