Determination of Some Trace Elements Cu, Fe, Pb And Zn In The Gills, Muscle and Tissues of Claria gariepinus and Oreochromis niloticus Found Along River Yobe


Abubakar El-Ishaq, Akinsola R.Omotayo and Ishaku Hussaini


Full Length Research Paper I Published February, 2016


Journal of Medical and Biological Science Research Vol. 2 (2), pp. 27-32



River Yobe supports many activities leading to its extensive contamination and accumulation of heavy metals. These can cause environmental and public health hazards. To ascertain the quality of the water in the river. The study was carried out to determine some of trace element copper, iron, lead and zinc, concentration in gills, tissues and muscle of Claria gariepinus and Oreochromis niloticus being the most dominant fish species in river in year 2015. Two samples each of C. gariepinus and O. niloticus were collected from the river, and the concentration of the (Cu, Fe, Pb, and Zn) were determined. Using Atomic Absorption Spectrometry (AAS 210 RAP BUCK). The study revealed the concentration of iron in the gills, tissue and muscle of both fish: O. niloticus 2.74±1.54, 1.17±0.73, and 0.46±0.46 mgkg-1. For gills, tissue and muscle of C. gariepinus 3.58 ±1.69, 2.34±1.9 and 2.03±1.21 mgkg-1, respectively. The metal concentrations occur in order Fe, Zn, Cu and Pb. In general, accumulation of the essential element Zn, Fe, Cu, were higher than the non essential element Pb. There is a high concentration of Fe at a significant level (P<0.05) in the study fishes when compared with other elements, followed by the Zn; Pb and Cu appeared at the bottom ladder. However, there is no significant variation (P>0.05) observed among the Zinc, lead and Copper accumulate in the gills of both species.

Key words: Diffusion, food chain, Half life, Heavy metals, Hydrophobic, River Yobe and Toxicity.

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