Journal
MARINE POLLUTION BULLETIN
Volume 122, Issue 1-2, Pages 464-469Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2017.06.017
Keywords
Trace metals; Tropical fishes; Bioaccumulation; Arsenic species; Spratly islands
Funding
- Basic Scientific Fund for National Public Research Institutes of China [2016Q02, 2017Q09]
- National Natural Science Foundation of China-Shandong Joint Funded Project [U1406403]
- Taishan Scholar
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Trace metal contents in 38 species of tropical marine fishes harvested from the Spratly islands of China were determined by microwave digestion and inductively coupled plasma mass spectrometry analysis. Arsenic species were determined by high-performance liquid chromatography and inductively coupled plasma mass spectrometry analysis. The average levels of Al, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Mo, Cd, Pb, and U in the fish samples were 1.683, 0.350, 0.367, 2.954, 36.615, 0.087, 0.319, 1.566, 21.946, 20.845, 2.526, 3.583, 0.225, 0.140, and 0.061 mg.kg(-1), respectively; Fe, Zn, and As were found at high concentrations. The trace metals exhibited significant positive correlation between each other, with r value of 0.610-0.852. Further analysis indicated that AsB (8.560-31.020 mg.kg(-1)) was the dominant arsenic species in the fish samples and accounted for 31.48% to 47.24% of the total arsenic. As(III) and As(V) were detected at low concentrations, indicating minimal arsenic toxicity.
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