Warfare Ecology: Marine Crabs as Bio-indicators of Heavy Metal Pollution

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The comparative study of persistent toxic metal levels of two species of crab Cardiosoma armatum and Callinectes amnicola were studied. Work provided information on the concentration of Cd, Zn, Ni, Fe and Pb in the limb, shell, flesh and gills of the two species of crab, so also their environment- water and sediments. This analysis will help in assessing accumulation of metals in these organisms. Concentrations of metals observed in the crab samples were lower than the WHO permissible level for foods.

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