This research was conducted on February 20 - March 30, 2019 at the Laboratory of Aquaculture Technology, Faculty of Fisheries and Marine, University of Riau. This study aims to determine the best dosage of Papain enzymes mixed in commercial feed to see the growth and survival of baung fish. The research container used was a 60x40x40 cm3 aquarium with 15 aquariums with a stocking density of 15 f…