Heavy pollution from industries in Greater Kochi is getting into the water, which is then getting into fish and shellfish, making them dangerous to eat because they have harmful metals, according to a new study. The study by the Department of Marine Technology, Cochin University for Science and Technology (CUSAT), and the National Centre for Coastal Research, NIOT Campus, Chennai, revealed heavy metal contamination in various species of fish and shellfish in the Cochin Estuarine System (CES) in backwaters from Aroor in Ernakulam-Alappuzha border to Eloor, the industrial belt of Kochi.

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