Animals 6 Environmental Monitoring 6 Water Pollutants, Chemical 6 animal 6 environmental monitoring metabolism 6 water pollutant 6 Argentina 4 Article 4 Fishes 4 Halogenated Diphenyl Ethers 4 Male 4 Polychlorinated Biphenyls 4 animal tissue 4 bioaccumulation 4 controlled study 4 diphenyl ether derivative 4 fish 4 gill 4 male 4 nonhuman 4 organic pollutant 4 persistent organic pollutant 4 polybrominated diphenyl ether 4 polychlorinated biphenyl 4 1,1 dichloro 2,2 bis(4 chlorophenyl)ethane 2 1,1 dichloro 2,2 bis(4 chlorophenyl)ethylene 2 2,2',4,4',5-brominated diphenyl ether 2 2,2',4,4'-tetrabromodiphenyl ether 2 Antarctic Regions 2