ABSTRACT This study was conducted on September–October 2021 at the Fish Hatchery and Breeding Laboratory, Faculty of Fhiseries and Marine, University of Riau, Pekanbaru. The purpose of study was to determine the effect of immersion eggs with different doses of vitamin C on hatchability, growth, and survival of larvae Pangasionodon hypohthalmus. This study used a completely randomized de…