The present study was carried out to determine the heavy metals concentration in five different estuarine fishes from\r\npichavaram mangrove forest-Tamil Nadu, southeast coast of India. Heavy metals concentration range varied from species to\r\nspecies. The analysis of the selected metals in the present study revealed in order of Mn < Cr < Cd < Co < Cu in almost all the\r\nspecies and the concentration of metals in the fishes followed in an order of S. Canaliculatus < S. argus < L. tade < T. puta < S.\r\nsihama < S. indicus, more or less for all the heavy metals. The highest concentration of copper was found in S. indicus whereas the\r\nlowest concentration was found in S. canaliculatus and similarly the chromium concentration was found maximum in S.\r\ncanaliculatus and minimum in S. sihama. Manganese, cobalt and cadmium concentration was found minimum in S. indicus while\r\nthe maximum of these metals were found in S. argus, S. sihama and S. canaliculatus repectively.
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