Abstract
An underwater LED fishing light, appropriate for attachment onto hairtail trolling fishing gear, was developed and manufactured to analyze, under experimental conditions, The central area of the LED light was equipped with a large pin to help maintain its position on the fishing line amid fluctuating current and flow conditions. The rear part of the LED light was designed to accommodate. The positional integrity of the LED light when attached to the hairtail trolling fishing gear was verified during a water tunnel experiment, which simulated actual fishing conditions, at Pukyong National University in Busan, South Korea.BR Analysis of the underwater LED fishing light showed that, where the LED light was present on the line (no. 1 -42), the catch was 6.5 times larger than that of the section of line not affected by the LED light (fishing no. 43 - 84). This difference in catch yield was statistically significant (p 〈 0.01). In addition to catch effect, the number of hairtail caught according to distance from the fish luring light was analyzed in order to obtain a more precise understanding of the catch efficiency of the underwater LED fishing light. Results showed that most fish were caught in the to the fish luring light, no.7.
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