This study measured concentrations of trace elements (Al, As, Cd, Cu, Fe, Mn, Ni, and Pb) in the muscle pink shrimps (genus Penaeus) from two anthropized estuarine systems Brazil: Guanabara Bay (GB) Sepetiba (SB). Concentrations were highest less SB site, where showed higher assimilation rates that can be explained by their trophic position compared to GB. These results reinforce role food sour...