The bottom gillnet catch composition in Sasak Ranah Pasisie coastal water, Pasaman Barat regency

Abstract

This research aimed to determine the catch composition of the bottom gillnet at Sasak Ranah Pasisie coastal water, Pasaman Barat Regency, West Sumatera. The research was conducted from January to February 2019 with total of 15 fishing trip using the bottom gillnet. The gillnet used 100 m of length, 3 m of width, and 2 inches of mesh size. Each of fish sample was identified, counted, measured their length and weight, and determined the way of fish captured by gillnets. The result showed that fish catches composition using bottom gillnet consist of 26 species, i.e., 22 species of fish, two species of crabs, and two species of shrimps. The highest catch was Common ponyfish (Leiognathus sp.) as much as 23%. The other captured species were Silver grunt (Pomadasys sp.) 20,2%; Leaftail croaker (Otolithes sp.) 14,5%; Largehead hairtail (Trichiurus sp.) 6%; Moustached thryssa (Thryssa sp.) 5%; and Black pomfret (Parastromateus sp.) 5%. Based on the way of fish captured on the bottom gillnet, the predominantly fish were wedged as much as 39% from the total of fish catches, followed by gilled (30%), entangled (26%), and snagged (6%).