Abstract
Abstract Mercury is an element of special concern for human health. Measurements of total mercury levels in fish have been taken into con-sideration to assess risk. In this study, the Antarctic toothfish Dissostichus mawsoni was evaluated as a potential safe food source through measurement of total mercury contents. Total mercury concentrations in Antarctic toothfish ranged from 0.101 ± 0.047 mg/kg to 0.139 ± 0.075 mg/kg. The total mercury concentration was significantly correlated with macroscopic values including total fish length, weight, gonadosomatic index, and maturity ( P < 0.01 or 0.05). Furthermore, according to the risk assessment, the total mercury body exposure rate from Antarctic toothfish ranged from 2.125% to 2.847% of the Provisional Tolerable Weekly Intake. Therefore, the Antarctic toothfish could be used as a potential safe seafood source. Key words: Dissostichus mawsoni , Antarctic toothfish, Mercury, Risk assessment, Safe seafood source Introduction The cod icefish species internationally known as the tooth-fish can be classified into the Antarctic toothfish
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