This research was carried out in August to December 2022 in phase 1 research and March to July 2023 in phase 2 research and phase 3 research was carried out in October 2023 to January 2024 in the waters of Sei Barumun, Labuhanbatu Regency. This research aims to analyze the optimization of use of terubuk fish resources in Sei Barumun waters, analyze the sustainability status of management of ter…