Differential Uptake of Heavy Metals by Gill, Muscles and Liver of Four Selected Fish Species from Red Sea
Mahboob1, Khalid A. Al-Ghanim,1 Magda Abdelatty,2 Lyla Abdelfattah3 and Shahid . 2015
Concentrations of 10 heavy metals (Cu, Zn, Cd, Pb, Fe, Mn, Cr, Se, As, and Hg) were determined in
different organ tissues of four selected common red sea fish species viz., Lethrinus nebulosus, Cetoscarus pulchellus,
Plectorhynchus schotaf and Epinephelus spp. There was a highly significant (P< 0.01) difference among the 4 fish
species and between organs for the accumulation of all 10 metals. The concentration of Fe was highest closely
followed by Zn, whereas Cd was detected in the lowest concentration. The liver accumulated the highest concentration
of metals and muscles had the concentration of all studied metals. It has been observed that Lethrinus nebulosus
species accumulated the highest concentration of total analyzed elements in this study, which indicate that this species
have more potential to accumulate all of metals in each tissue.
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