Pengaruh perbedaan pancing jigs beradium dan berlampu terhadap hasil tangkapan sotong di perairan pantai Sario Tumpaan Kota Manado Effect of radium- and light-attached jigs on cuttlefish catch in the coastal waters of Sario Tumpaan, Manado City

There are many techniques have been used to increase the fishing power of jigs, such as the use of jigs’ shape and color imitating the prey and the use of radium and blinking lights attaching to the jigs. The scientific information of their applications, however, is unavailable. This research was designed to study the effect of the use of radium and blinking lights on cuttlefish catch, and to identify all catch and environmental factors influencing jigs operations. Catch data were analyzed using t-test, to compare the mean of jigs treatment. During the experiment, the total catch is 50 cuttlefish with 33 cuttlefish caught with radium-attached jigs and 17 cuttlefish caught with blinking-lightattached jigs, and all the cuttlefish are of Sepioteuthis lessoniana. Several main environment factors affecting the jigs operations are currents, waves and winds.