Accumulations of Zn, Ni, B, Al and Co in Megalaspis cordyla from fish marketed by Karachi Fish Harbor of Pakistan

Abstract

Zn, Ni, B, Al and Co concentrations were determined in muscle tissues of Megalaspis cordyla from fish marketed by Karachi Fish Harbor of Pakistan during January 2007- December 2007. The mean (±SE) of Zn, Ni, B, Al and Co levels in fish muscle tissues were 3±0.25, 0.25±0.035, 0.24±0.038, 0.29±0.026 and 0.24±0.027 mg/kg dry wt., respectively. It was concluded that the level of heavy metals in muscles of the fish species were within acceptable limits by international standards.