Abstract This study aims to determine the best dose of herbal supplements in feed for growth and survival of Colossoma macropomum with a recirculation system. This research was conducted from 27 November - 6 January 2021 at the UPT Experiment Pool Faculty of Fisheries and Marine, University of Riau. The container used was a black tub with a volume of 100 L as many as 15 units with a stocking d…