Fish Behaviour utilization on capture process of ???Jaring Perangkap Pasif??? (Set Net, Teichi ami) in Mallasoro Bay, Jeneponto Regency

The understanding of fish behaviour on fishing technology is a basic need for optimal and sustainable utilization of fisheries resources. ???Jaring Perangkap Pasif??? (SET NET, teichi ami) is one of a fishing gear which operate based on schooling fish migration in coastal area, specially for pelagic fish. As a stationary fishing gear which catching principle are blocking of fish migration and the catching process that guidance schooling fish into trapped area causes set net technology implementation required a better understanding of fishing ground, behaviour of fishing target, and technology of fishing gear. Daily catch composition of set net consist of pelagic fish (8-15 species) as dominant catch, demersal fish (3-7 species), and others catch (2-6 species) with average of 385 kg in total/day. The variety of set net catch are indicated that existing and coming in of fish catch into the trapped net (chamber net) were affected by fish behavior response to the fishing gear performance, schooling fish migration pattern into coastal area, and oceanography factors during the fishing operation. Besides that, oceanography factors such as current direction (west and east), current speed (??5-20cm/s), high of sea waves level (??100-1750cm), and length of sea waves (??200-300cm) significantly affect the geometry performance of fishing gear function on catch capacity in location of set net installation as a fix area of fishing ground. Set Net fishing technology (capture process and catching principle), catch data analysis, and study on fish behavior ecology/habitat as one of best practical approachment for providing based data on production and potential of sustainable fisheries resources in coastal areas