Comparative Study on Trace Metal Accumulation in Liver of Mediterranean Deep-Sea Fish and Their Selenium/Mercury Molar Ratios

The objectives of this study were to determine and compare the concentrations of Hg, Cd, Pb, Zn, Cu, Ni and Se in the liver of macrourid fish as Trachyrinchus scabrus , Nezumia sclerorhynchus and Coelorhynchus coelorhynchus from the Mediterranean Sea, Italy. It was also carried out to evaluate the r...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2017-06, Vol.228 (6), p.1, Article 211
Main Authors: Barone, Grazia, Storelli, Arianna, Mallamaci, Rosanna, Storelli, Maria Maddalena
Format: Article
Language:English
Subjects:
Atmospheric Protection/Air Quality Control/Air Pollution
Bioaccumulation
Body burden
Body size
Cadmium
Climate Change/Climate Change Impacts
Comparative analysis
Comparative studies
Copper
Deep sea
Deep water
Earth and Environmental Science
Environment
Environmental monitoring
Fish
Heavy metals
Hydrogeology
Lead
Liver
Marine fish
Mercury
Mercury (metal)
Metal concentrations
Metals
Nezumia sclerorhynchus
Nickel
Ratios
Selenium
Soil Science & Conservation
Studies
Surveys
Trace metals
Water Quality/Water Pollution
Zinc
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Summary:The objectives of this study were to determine and compare the concentrations of Hg, Cd, Pb, Zn, Cu, Ni and Se in the liver of macrourid fish as Trachyrinchus scabrus , Nezumia sclerorhynchus and Coelorhynchus coelorhynchus from the Mediterranean Sea, Italy. It was also carried out to evaluate the relationship between metal concentration and fish size and to explore selenium/mercury molar ratio. The highest concentrations were in T. scabrus , followed by N. sclerorhynchus and C. coelorhynchus . In all species, any element displayed significant correlation between metal body burden and fish size, except Hg. The mean selenium/mercury ratios were greater than one in all fish species indicating that Se antidotal effect in counteracting Hg occurred. This report represents one of the few surveys providing information on trace metal in deep-sea fish from Mediterranean Sea constituting, thus, an essential baseline work with which future levels may be compared.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-017-3379-4