ABSTRACT Fishermen in Panipahan still use traditional fishing gear, one of which is gill net. This study aims to determine the effect of shortening on nets on the catch of gill nets which was carried out with 5 trials each. This research was conducted in May 2020 in Panipahan Village, Pasir Limau Kapas sub-district, Rokan Hilir Regency. The method used in this research is a survey method b…