Preliminary Results on Catch Composition and the Length Frequency Distribution of Indian Squid (Loligo duvauceli)from Squid Cast Nets in the Coastal Area of Pakklong Sub-District

Abstract

Indian squid, Loligo duvauceli, is an important commercially marine resource commonly found in the Pakklong sub-district coastal area. Squid cast net fishing boats are normally operated all year round. A survey has been conducted every month at the landing sites in the Pakklong sub-district since February 2002. This report presents the preliminary results on catch composition and the length frequency distribution of Loligo duvauceli between February and September 2002. The catch composition of the squid cast nets was composed mainly of Loligo duvauceli at 96.509%, followed by pelagic fish at 2.539%, L. chinensis at 0.446%, Sepioteuthis lessoniana at 0.298%, Sepia spp. at 0.122%, demersal fish at 0.084% and shrimp at 0.002%. The length frequency distribution of Loligo duvauceli ranged from 2.5-22.5cm.