Indian squid

Marine cephalopod mollusc with mantle relatively short, stout. Fins generally rhomboidal and longer than broad, tapering posteriorly. Tentacular clubs with 4 sucker rows expanded with 14 to 17 short, sharp teeth around ring. Arms: Proximal margin of sucker rings with semicrescent plate; distal margin with square teeth; left arm IV of male hectocotylized for more than 1/2 its length, with 2 rows of large papillae, some with minute suckers on tip; ventral rows larger, turned outward, comb-like; an oval photophore (pair of organs on ventral surface) on each side of rectum and ink sac. Maximum mantle length 29 cm; maximum weight 1.5 kg.