NADIRA HUMAIRAH AZ-ZAHRA URRAHMAN. The effect of nipah palm vinegar (Nypa fruticans) concentrations on nile fish (Oreochromis niloticus) (Supervised by INDAH WIDIASTUTI) Nile tilapia (Oreochromis niloticus) is one of the aquaculture commodities with high economic value and is widely cultivated. However, fish is a perishable product, thus requiring appropriate preservation methods to maintain it…