Journal
MARINE POLLUTION BULLETIN
Volume 112, Issue 1-2, Pages 406-410Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2016.07.047
Keywords
Atlantic; Celtic Sea; Lamnidae; Lamniformes; Contaminants
Funding
- Defra NEPTUNE project [MB5201]
- [SLA22]
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Concentrations of 11 trace elements in three tissues of porbeagle shark Lamna nasus (n = 33) were determined. The maximum observed concentrations of Cd and Pb in musde were 0.04 and 0.01 mg kg(-1), respectively, and all muscle samples were below European seafood limits for these metals. Hg concentrations in either the red or white muscle that exceeded European regulations for seafood were observed in one-third of specimens. Hg concentration, however, increased with length, and all fish >195 cm had concentrations >1.0 mg kg(-1), with a maximum observed value of 2.0 mg kg(-1). Concentrations of Fe and Cu were, on average, 9.7 and 10 times higher in red muscle than in nearby white muscle, respectively. Mn, Zn, As and Se were also found in significantly higher concentrations in red muscle than in white muscle. Crown Copyright (C) 2016 Published by Elsevier Ltd. This is an open access article under the CC BY license.
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