Animals, Antioxidants - metabolism, Environmental Biomarkers - drug effects, Goldfish - metabolism, Halogenated Diphenyl Ethers - analysis, Halogenated Diphenyl Ethers - toxicity, Lipid Peroxidation - drug effects, Liver - drug effects, Liver - metabolism, Oxidative Stress - drug effects, Water Pollutants, Chemical - analysis, Water Pollutants, Chemical - to...