Research on the effect of adding fish oil to commercial feed on the growth rate and survival of tiger grouper fry has been carried out at the Lampung Marine Aquaculture Center (BBPBL). The experimental design used was a completely randomized design using fiber tubs measuring 2 m x 1 m x 0.6 m and using netting frames measuring 50 cm x 50 cm with a stocking density of 15 individuals with an init…