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Feed management is a critical factor in the nursery activities because f ood serves as an energy for growth and survival rates . The study aim ed to determine the best feeding to improve growth and survival rates . Culture d of coral trout grouper seed s were used for this research in 9 f iber tubs each of  0.8 tonnes of sea water volume with 3 treatments and 3 replicat e s . T he feeding treatment s were (a) commercial feeding pelle ; (b) trash fish ; and (c) feeding combinations (50% pellets and 50% trash fish). T he initial length of coral trout grouper seed s were 3 cm long . The pellet used was a commercial pellet with dose of 5-10% biomass, while the trash fish was clupeid fish . Feeding time s were twice a daya at 08:00 and 16:00 local time . A complete random design was used as an experiment design. Data was a nalys ed using ANOVA and descriptive statistics. Water qualities during larva rearing include d water temperature, pH, salinity, DO, ammonia, nitrite, and phosphate. The results showed that growth dan survical rates was significantly affected by combination feeding method (50% pellet and 50% trash fish) with growth rate of 0.08% cm/day and survival rate of 60 .20±2.34% . Keywords : Feed, trash fish, juvenile coral trout grouper, growth, and survival.

NURSERY TECHNIQUES WITH JUVENILE CORAL TROUT, Plectropomus leopardus WITH DIFFERENT TYPES OF FOOD