“…Fishes have been widely used as models to evaluate the aquatic contamination by metals (DOĞAM-SAĞLAMTIMUR and KUMBUR, 2009;KEHRIG et al, 1998;LIMA Jr et al, 2002). The concentration of contaminants, including metals, in fish tissues is commonly reported as dependant of age, feeding habits and position in the food chain (TRUCCO et al, 1990). The contaminants accumulated in the biota may be further transferred to the man through the consumption of contaminated seafood (TAVARES and CARVALHO, 1992;SANTOS-FILHO et al, 1993;METIAN et al, 1998).…”