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Concentrations of mercury and other trace elements in two offshore skates: sandy ray Leucoraja circularis and shagreen ray L. fullonica
Marine Pollution Bulletin
A B S T R A C T Trace metal concentrations in muscle and liver tissues from two offshore species of skate were examined. Concentrations of mercury in muscle of Leucoraja circularis (n = 20; 23-110.5 cm total length, 157-490 m water depth) and L. fullonica (n = 24; 28.5-100 cm total length, 130-426 m water depth) were 0.02-1.8 and 0.04-0.61 mg kg − 1 , respectively. Concentrations of both As and Hg increased with total length. Only the largest specimen had a concentration of Hg in muscle > 1.0doi:10.1016/j.marpolbul.2017.08.054 pmid:28851492 fatcat:hhl6guqlgzhctofmgm6foqkpai