This research was conducted on 21 to 27 November 2015,in the kelurahan Langgam Kecamatan Langgam Kabupaten Pelalawan.the porpose of this study was to determine the differences in the composition of long line during the before night and last night. The research used a survey method. The operation of long line fishing gear held on over 7 days. The long line catches consist ot 4 spescies,either in…