This research was conducted from February to March 2024 at PPS Bungus, West Sumatra. The purpose of this study aims to calculate the Catch Per Unit Effort (CPUE) andd the seasonal patterns (fishing season, optimal fishing times) of Yellowfin Tuna (Thunnus Albacares) at Bungus Ocean Fishing Port. The method used in this research is the desk study approach, which involves data collection and anal…