ABSTRACT This research was conducted from December 2019 until March 2020. The purpose of this study was to determine the effect of the use of fermented Azolla microphylla (TDAF) leaf flour in artificial diets on feed efficiency and growth of gouramy seed (O. Gouramy). The test fish used in the study were gouramy seed with an average weight of 1.60 ± 0.53 g. raised in 15 units of cages measuri…