Manzala Lake Map showed the sites of sampling: (1-3) Marine fish farms in the northern area in Manzala Lake, (4-9) Free fishing areas of Manzala Lake, (5) Berket Shata, (6) El-Saiala, (7) El-Zarka, (8) Al-Homra. (9) El-Hosayneya. Map was carried out using ArcGIS (ArcMap) version 10.1 Software.