The comparison of heavy metals (Hg, Cd, Pb) in the muscle of Otolithes ruber in Abadan and Bandar Abbas Ports, the Persian Gulf

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Abstract

A comparative study was conducted on concentration of heavy metals including: Hg, Cd
and Pb in the muscle of Otolithes ruber in Abadan and Bandar Abbas Ports in the Persian
Gulf. In this study, a total of 42 specimens of Otolithes ruber were collected from coastal
waters of Abadan and Bandar Abbas Ports in 2010. Heavy metals were extracted from the
muscle tissues using wet digestion method and concentration of metals were measured by
Atomic Absorption Spectrophotometer. The results showed that mean (±SD) accumulation of
Hg, Cd and Pb in the muscles of Otolithes ruber in Bandar Abbas were 0.058±0.001,
0.279±0.056 and 0.668±0.077mgKg-1 wet weight, and in Abadan were 0.056±0.007,
0.25±0.038 and 0.638±0.087mgKg-1 wet weight respectively. No significant differences were
found in concentrations of Hg, Cd and Pb in the muscle of Otolithes ruber between Abadan
and Bandar Abbas ports. Accumulation of these metals were higher in the muscle of Otolithes
ruber than that Bandar Abbas Port. Concentration of Hg in the muscle of Otolithes ruber was
lower than acceptable limit suggested by WHO, MAFF, NHMRC. However concentrations of
Pb and Cd were higher.
*Corresponding author

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Iranian Scientific Fisheries Journal
Volume 21, Issue 3 - Serial Number 80
November and December 2012
Pages 99-106

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