The aim of the research was to determine the effect of different fish meal doses on the growth and survival rate of cachama fish (Colossoma macropomum) using the biofloc system in salin water. This research was conducted for 40 days from February 23 to April 3, 2019, which took place in the Technical Service Unit (UPT) Pool and Hatchery of the Faculty of Fisheries and Marine University of Riau.…