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Impact of textile and composite industrial wastewater on fresh water fish, channa gachua: a comparative study

Author Affiliations

  • 1School of Environmental and Earth Science, North Maharashtra University, Jalgaon, MS, India
  • 2School of Environmental and Earth Science, North Maharashtra University, Jalgaon, MS, India
  • 3School of Environmental and Earth Science, North Maharashtra University, Jalgaon, MS, India

Int. Res. J. Environment Sci., Volume 6, Issue (7), Pages 41-46, July,22 (2017)


Pollution is the single largest contributory factor towards degradation of environment and the main source of pollution is industrial effluents, sewage, agricultural and domestic wastes including simple metal ions complex chemical compounds. The main threat to aquatic environment is by various industries which discharge their effluents in water bodies. In this context, the present investigation was done to know the effect and toxicity to the fish Channa gachua. The fish was exposed to sub-lethal doses of mixed and electroplating industrial effluent. Toxicity of mix effluent and electroplating effluent to the fish, Channa gachua is studied in relation to varying salinities i. e.1 to 5% The LC10, LC50, LC90, LD and Safe concentration values of both mixed effluent and electroplating effluent obtained in high and low salinities showed that the mix effluent is highly toxic to Channa gachua at low salinities as result of osmotic stress as compare to mix effluent. The study strongly indicates that the essential for observing the concentration of effluent which should be treated and to be apply control methods to safeguard the safety of aquatic animal and the ecosystem at large.


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