Journal
TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY
Volume 97, Issue 1, Pages 116-123Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02772248.2014.943226
Keywords
fish farming; heavy metals; antifouling paints
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Although aquaculture is considered the fastest growing food production industry, nevertheless there is little information regarding pollutant levels in cultured fish. Samples of cultured sea bass - Dicentrarchus labrax (Linnaeus, 1758), sea bream - Sparus aurata (Linnaeus, 1758), and sharpsnout sea bream - Diplodus puntazzo (Walbaum, 1792) from three fish farms located in the Eastern Mediterranean which utilized antifouling paints on the nets were analyzed for quantitative determination of zinc (Zn), chrome (Cr), and copper (Cu) in the gills, the liver, and the muscle separately for each tissue and fish. The results show that the highest levels of zinc (up to 29.6mg kg(-1) dry wt) were found in the gills of all samples of sea bream and sharpsnout sea bream while in the samples of sea bass, the highest levels of zinc and chrome were found in the liver (up to 39.3 and 13.8mg kg(-1) dry wt, respectively). Insofar, as copper is concerned the highest exposure was found in the liver of sharpsnout sea bream (up to 5.49mg kg(-1) dry wt). The results indicate that the use of antifouling paints in aquaculture practices are a significant source of chemical pollution in cultured fish and poses a risk to the exposed organisms.
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