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Paper Details

Heavy Metal Accumulation in Certain Marine Edible Fishes along the Gulf of Manner in Kilakarai, Taminadu, India

M. Anand*1 and P. Kumarasamy*2

Journal Title:Journal of Chemical, Biological and physical sciences
Abstract


Contamination of heavy metals, namely, Copper, Chromium, Cadmium, Cobalt, Ferric and Zinc were evaluated in the selected edible marine fishes of Dussumieria acuta, Tenualosa ilisha and Sardinella longiceps at Gulf of Mannar region in Kilakarai collected during the January 2012. The selected three marine edible fishes accumulated varying the quantities of different heavy metals. The selected fishes were carefully dissected for determination of heavy metals. The level of heavy metals was determined using ELICOs SL- 176 double beam Atomic Absorption Spectrophotometer (AAS). The distribution of heavy metals in selected fishes analyzed was in the order of magnitude as by Cu, Cr, Cd, Co, Ni and Zn. The result shows the Zinc concentration were the maximum levels followed by the Cd>Cr>Cu>Ni>Co. It is revealed that the heavy metal concentrations in the selected marine edible fishes are below the threshold level associated with the toxicological effects and the regulatory limits. The bio-concentration factors revealed that the fishes have accumulated heavy metals along the food chain rather than from the water column and sediment.

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