The Transportation Time Length of Nile Tilapia (Oreochromis niloticus) with the Addition of Red Guava Fruit Leaves Extract (Psidium guajava var. pomifera) (Supervised by MOHAMAD AMIN and M. SYAIFUDIN). Nile tilapia (Oreochromis niloticus) is one of the most desirable freshwater commodities by various groups, both local and foreign communities. However, the production of tilapia fluctuate every …