Abstract Sumatran fish (Puntius hexazona) is a type of freshwater fish that inhabits the waters around the Riau University and the upstream of the Sibam River. A study aims to determine the type of food in the stomach of the fish from both areas was conducted in July – September 2019. Sampling was carried out 4 times, once/ 2 weeks. The fish was captured using scoop nets. There were 88 f…