R. apiculata leaf extract has benefits as an herbal supplement that can be added to feeds, because it have componds like flavonoids, tannins, saponins, terpenoids, and steroids that can improve the health of jambal fish (P. hypophthalmus). This research was carried out in August to October 2019. The aim of the research was to obtain the best dose of R. apiculata leaf extract by added to feed to…