Tilapia is the most commonly used fish in aquaponics systems
(Rakocy et al., 2006) for their high availability, fast growing, stress
and diseases resistant and easy adaptation to indoor environment
(Hussain, 2004).Water spinach or swamp cabbage Ipomoea aquatica
is a semiaquatic tropical macrophyte and commonly grown as a leaf
vegetable in East and Southeast Asia