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Abstract Water pollution can be caused by industrial waste materials tergents, dyes, petroleum, heavy metals and sewage), natural and estic wastes, agricultural insecticides, mercury, lead and sewage t are released into water. The pollution can reach to humans ’ough the food chain. Toxicity that resulted from food contamination is a major reason Iwhealth risk. Tilapia (Oreochromis sp.) is one of the most important rultured fresh water fish due to its resistance to adverse conditions, fast growth rate in warm waters, relatively low production cost, meat ~uaJity and high protein content. In Egypt, Nile tilapia (0. niloticus) is consider as important species for fish farming. Aquatic vertebrates such as fish make contact with their environment through their gills. For this reason, fishes are more affected on aquatic pollutants. So, we used Azolla pinnata and Turmeric with black pepper in treatment tilapia that were cultivated in waste water as it was found that, Azolla can act as a bio filter to purify water and can remove phosphorus and nitrogen. Also, it can remove sulfa drugs and it remove metals like Cd, Cr, Pb, Au, Sr, Cu, Zn, Ni and Pt. Moreover Curcumin has been shown several biological effects as, anti-ulcer, antivenom, anti-HIV, anti-protozoal, anti-microbial, hypolipidaemic, anti-tumor, anti-allergic, antioxidant, anti dyspeptic, antidepressant, exhibiting anti-inflammatory and hepatoprotective activities. |