This research was conducted on July until October 2018 in Experimental Pond and Laboraty of Parasites and Fish Diseases, Faculty of Fisheries and Marine, University of Riau, Pekanbaru. The purpose of this study was to determine the effect of feeding containing curcumin extract with different doses on the image of red blood in siam jambal fish Pangasius hypophthalmus. The method used is the use…