This study was conducted on February-March 2020 at the Fish Hatchery and Breeding Laboratory, Faculty of Fisheries and Marine, University of Riau, Pekanbaru. The purpose of this study was to determine the effect of immersion eggs with different doses of vitamin C on hatchability, growth, and survival of gouramy larvae. This study used a Completely Randomized Design (CRD) with 5 treatments …