Bioaccumulation Of Some Heavy Metals In Tissues Of The African Cat-fish Clarias Gariepinus From Selected Markets In Delta State, Nigeria

ABSTRACT The increasing rate of consumption of the common African catfish, Clarias gariepinus, a popular delicacy in Delta State, Nigeria has raised worries about the safety of health of consumers in the face of perceived increasing input of recalcitrant pollutants such as the heavy metals in the aquatic habitats of the organism. This research therefore investigated the bioaccumulation of some heavy metals (Pb, Cd, Cu, Zn, Co) in the muscle and brain tissues of the catfish, C. gariepinus sourced from markets in Delta State. Replicate adult fish samples were obtained from seven market location…