This paper provides insight into the size composition and reproductive aspects of small striped cuttlefish Sepia prabahari distributed exclusively in Gulf Mannar (GoM) Biosphere Reserve, Indian Ocean which contributes 11% to cephalopod catch this region. The fishery varied between 4.6 14.6 cm dorsal mantle length (DML) group 8.1 10 dominated (45%). DML-weight relationship for male, female poole...