Bioaccumulation of Zinc in Four Tissues of Local Fishes Collected from Tigris River in Mosul City

The study determined the concentration of Zinc in local fish tissues (liver, muscle, gills). The local fishes (Cyprinuscarpio, Condrostomeregium, Liza abu and Carassiuscarassius). All of this samples were collected from Mushirfa, which considered as a control, Middle of the city (near the old bridge of Ninevah ) and Al-Busaif locations. The results showed that the accumulation of Zinc in fish tissues was followed descending order: Liver > Gills > Muscle. While depended on fish collected locations, the bioaccumulation of this metals has followed the order, Al- busaif area > Middle city >Mushirfa area. .