This research was conducted for 30 day from 28 September until 28 Oktober 2014, at Laboratory Aquaculture of Technology Universitas of Riau. The aim of the study was to determine the effects of stocking density of fish Jelawat (Leptobarbus hoeveni Blkr) and raised on a system the recirculation aquaponic. The method used in this research was experimen with three treatment and three replications.…