Abstract This research was conducted on February to March 2023 in the Laboratory of Aquaculture Technology, Marine and Fisheries Faculty, University of Riau, Pekanbaru. The purpose of this study was to determine the effect of different aquaenzyms probiotic doses on fish feed toward the growth and survival rate of Betok Fish (Anabas testudineus). The probiotic was used in this study was aquaenz…