Fishes are considered as good indicators of trace metal pollution in the aquatic ecosystem in addition to being a good source of protein. Thus, the concentration of trace metals (Fe, Zn, Al, As, Cd and Pb) in water and muscle, liver and gills tissues of two important marine fish species, Arius maculatus and Pennahia anea collected from Kapar and Mersing in Peninsular Malaysia, were examined. Generally, Fe has the highest concentrations in both water and the fish species. While, Cd in both

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... l waters showed high levels exceeding the international standards. The metal level concentrations in the fish samples are in the descending order from livers > gills > muscles. Fortunately, level of these metal concentrations in fish has not exceeded the permitted level of Malaysian and international standards.