A comparative study of accumulated total mercury among white muscle, red muscle and liver tissues of common carp and silver carp from the Sanandaj Gheshlagh Reservoir in Iran

► T-Hg accumulated in fish red muscle tissue was lower than white muscle tissue. ► There are strong correlations between the level of accumulated T-Hg and fish weight and length. ► There is no correlation between the level of accumulated T-Hg and fish sex. ► Excessive consumption of fish weighted above 850 g from SGR would be dangerous.