In the Nagari Kuranji Hilir river there is a restricted area and it is known as “lubuk larangan”. As it is a habitat for T.tambroides, a rare endemic fish species. A research aims to find out a proper method to manage the Nagari Kuranji Hilir river restricted area in order to safe T.tambroides population was conducted on April to August 2019. A quantitative approach method was applied by ob…