ABSTRACT This study was conducted on April-May 2022 at Fish Hatchery and Breeding Laboratory, Faculty of Fisheries and Marine, University of Riau, Pekanbaru. The purpose of this study was determine the effect of immersion eggs with different doses of Ananas comosus Linn on hatchability, growth, and survival of Asian Redtail Catfish larvae. This study used a Completely Randomized Design (CRD) w…