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Mitigating Industrial Pollution in Urban Water bodies Using African Sharptooth Catfishes

Authors : Jaydev Misra and Priyadarshini Mallick


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Abstract

Clarias gariepinus or African Sharptooth catfish survives in minimal amount of dissolved oxygen (DO) levels in stable water aquatic systems. Clarias gariepinus has a gill structure which can trap oversized pollutants molecules, hold them for long and excretes out for organic wastes. The main objective of the present study was to investigate the impacts on urban water pollution before and after the application of Clarias gariepinus in water bodies by measuring metal concentrations in water and sediment. Results shows that concentration of more than recommended level of Cr, Cu, Zn, Fe, Pb, Cd and Ni in urban water bodies can be reduced by recruiting Clarias gariepinus in those water bodies.

Clarias gariepinus or African Sharptooth catfish

 

Keyword

Clarias gariepinus, pollutants, metal concentration, toxic wastes, fractional distillation process, Mann-Whitney Utest.