evidence: Citation: Eisa MAT, Awad AAM. Determination of some heavy metals content in the body of two popular fish species O.niloticus and L. niloticus, in lake Nubia, Wadi Halfa, Sudan. J Aquac Mar Biol. 2020;9(5):170-175. DOI: 10.15406/jamb.2020.09.00293 [...] Gimai fishing site north Wadi Halfa at the border with Egypt, (N21.842793°, E31.309977°) , average width 10km, its surrounded by rock, no vegetation on either side of the lake rarely sparse vegetation on either side .characterized by weak water current due to its vicinity to the high Dam. [...] Great thanks to fishermen at three fishing sites and Fisheries Administration Officers and Workers at Wadi Halfa Locality, Northern State, Sudan for their logistic support and facilitation throughout the whole period of this study.