Abstract The aim of this research was to determine the effect of Recombinant Growth Hormone (rGH) Doses and immersion duration on Growth Rate and Survival of giant gouramy larvae (Osphronemus gouramy). The research was conducted from December 2019 to February 2020 at the Fish Hatchery and Breeding Laboratory, Faculty of Fisheries and Marine Riau University. The method used was a Complete …