This research was conducted on July to September 2019. The purpose of this research was to know the use of fermented water lettuce leaf meal in the diets on the growth of Asian Catfish. Completely randomized design (CRD) was used in this experiment, with one factor, five level treatments and three replications. Fish were reared in 15 cage units (0,5x0,5x1 m3) with the stocking density of 25…