The attendance of Prof. Dr. Shaker Ghaleb Ajil, Director General of the Marine Sciences Center, and a number of the center's researchers in the workshop *The phenomenon of the spread of tilapia fish in the marshes and Shatt al-Arab between reality and ambition*. Which was held at the College of Agriculture at the University of Basra in cooperation with the Southern Environmental Protection and Improvement Department and the Basra Agriculture Directorate and under the patronage of the Governor of Basra / Eastern Hammar Marsh Committee