Abstract
In order to examine and compare nickel accumulation levels in muscle tissues of Otolithes ruber in Persian Gulf waters (Bushehr province region), sampling the fish was done in both Bushehr and Asalouyeh stations during the summer 2013. After biometry, muscle tissues of the samples were separated and chemical digestion was done. Nickel accumulation levels in tissues were measured by using graphite furnace atomic absorption instrument. Based on the obtained results, mean concentrations of Nickel in muscle tissues were 0.262 ± 0.014 mgkg -1 dw in Bushehr station and 0.293 ± 0.011 mgkg -1 dw in Asalouyeh station, and it indicated no statistically significant differences between the two stations (P>0.05). The obtained concentrations and analysis done indicate that based on the WHO standard, the amount of nickel was higher than the standard levels and its use poses risks to human.
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