Evaluation of heavy metals in fish of the Sepetiba and Ilha Grande Bays, Rio de Janeiro, Brazil.
Muscles, gonads, and liver tissues of fish caught in Sepetiba and Ilha Grande Bay were analyzed to assess levels of heavy metal concentrations of Cd, Fe, Zn, Pb, Ni, Cu, and Cr. Levels of Cr surpassed the maximum permissible concentration in muscle, followed by Zn in some species. Pb, Cu, and Cd presented concentrations above maximum permissible levels in gonads and liver only. Fe presented concentrations in viscera comparable to those of highly polluted areas, although there are no standards available for this metal. Ni was the only metal that did not present contamination in the fish tissues examined. Overall, fish caught in Sepetiba Bay showed higher metal concentrations than those from Ilha Grande Bay, but the latter also presented high metal concentrations in several samples.
Universidade Federal Rural do Rio de Janeiro, Laboratório de Ecologia de Peixes, Antiga Rod. Rio-SP, Km 47, Seropédica/RJ-CEP 23851-970, Brazil.
Roberto Guião
RG
de Souza Lima
Francisco Gerson
FG
Araújo
Marilza Farias
MF
Maia
Andréa Seda
AS
da Silveira Braz Pinto
D000818:Animals; D001938:Brazil; D002947:Cities; D004781:Environmental Exposure; D005399:Fishes; D006066:Gonads / Q000737:chemistry; D008099:Liver / Q000737:chemistry; D019216:Metals, Heavy / Q000032:analysis / Q000493:pharmacokinetics*; D018482:Muscle, Skeletal / Q000737:chemistry; D014018:Tissue Distribution; D014873:Water Pollutants / Q000032:analysis / Q000493:pharmacokinetics*
D019216:Metals, Heavy; D014873:Water Pollutants