Effects of pollution on freshwater fish.
D000818:Animals; D005399:Fishes; D005618:Fresh Water; D006540:Herbicides; D006863:Hydrogen-Ion Concentration; D007220:Industrial Waste; D007306:Insecticides; D008628:Mercury; D008670:Metals; D010101:Oxygen Consumption; D010209:Paper; D010575:Pesticides; D012965:Sodium Chloride; D014876:Water Pollution; D014877:Water Pollution, Chemical; D014878:Water Pollution, Radioactive
D006540:Herbicides; D007220:Industrial Waste; D007306:Insecticides; D008670:Metals; D010575:Pesticides; D012965:Sodium Chloride; D008628:Mercury