Wellington flying squid

Marine cephalopod mollusc with mantle muscular tapers to pointed tail. Fins broad, sagittate length 42 to 48% of mantle length; single fin angle 44°. Funnel groove with foveola and 10 to 13 longitudinal ridges. Tentacular club occupies much of tentacle length; protective membranes very low, weak; largest sucker rings with 11 to 13 conical teeth all around. Arm sucker rings smooth proximally, grading to 11 to 15, short, triangular teeth distally; both arms IV in males hectocotylized basally with modification of protective membranes and trabeculae into large, ridged, saw-tooth processes; suckers absent. Maximum mantle length about 42 cm.