Abstract This research was conducted in September 2019 in Sinoboi Waters, Rokan Hilir Regency, Riau Province. This study aims to analyze the technical and financial aspects of catching mantis shrimp (Harpiosquilla raphidea) in drift bottom fishing gear. The method used is survey method and case study. The fishing fleet used is 1 ship with a weight of 3 GT, which has a 27 HP propulsion engine. …