Design of Remote-Controlled Underwater Fish Attractor Light (UFAL) for Gillnets

Abstract

This study aimed to design, develop, and evaluate the effectiveness of a remotely controlled underwater fish attractor light (UFAL) specifically tailored for gill net fishing. The UFAL was designed to improve fish capture efficiency, enhance energy consumption using chip-on-board LED technology, and ensure durability in aquatic environments. The system, equipped with a fishfinder for remote operation and control, was tested for light distribution, battery efficiency, water resistance, and its impact on fish catch rates. Results demonstrated a 189% increase in total fish catch weight when using UFAL, with a total of 281.54 kg compared to 149.12 kg without it. The UFAL maintained a light intensity of 255 lux at 45° at the start, which decreased to 190 lux after 60 minutes. Battery efficiency allowed extended operation, with a voltage drop to 9.28V at full brightness after 120 minutes. Additionally, the most effective leakage treatment achieved 0% leakage, ensuring durability. These findings suggest that UFAL is highly effective in enhancing fishing efficiency while minimizing operational and environmental challenges.