This study was conducted on April-Mei 2023 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 interaction photoperiod and temperature on growth and survival of snakehead fish (Channa striata) larvae. This study used a Completely Randomized Design (CRD) with 2 factors. The first factors w…