Spesies Composition and Bycatch from Gombang in East and South Seasons in Bengkalis, Riau, Indonesia

Gombang is one of the stationary fishing gear used in the coastal waters of Bengkalis. The gear is grouped as trap fishing gear and operated based on the fishing seasons, namely east, west and south seasons. This study at to determine the composition of the main catch, bycatch, and discards of this filtering net gear. The survey was conducted directly in the field, to identify of composition catches during April – September 2019. The catches were classified as main catch, bycatch, and discard. The results of this study showed that the total catch consisted of 35 species. The highest percentage of catch was scored as bycatch during east season (77.7%) with 27 species and during the south season (73.3%) with 26 species. The main catch percentage was 17.1% with six species’ during the east and south seasons. The rest was the discard (5.7%) consisting of 2 species during the east season, and 3 species (8.6%) during the south season. The present study revealed that quantities of bycatch during the west season were relatively higher than the main catch and discard.