Analysis, Animals, Animals, Wild, Aquaculture, Brown mussels, Environmental Monitoring - methods, Fibers, Fish-culture, Food Contamination - analysis, Guanabara Bay, Marine biology, Marine debris, Mussels, Nylon, Perna - chemistry, Perna - growth & development, Perna perna, Plastics - analysis, Pollution, Polymethylmethacrylate, Seafood - analysis, Water Pol...