Photographic record of the Tremoctopus violaceus fresh specimen (135 mm ML) highlighting relevant characters for its taxonomic determination A, B dorsal and ventral view; arms unequal in length; one web between the four dorsal arms; two pairs of cephalic water pores, one pair located on dorsal surface of the head, slightly anterior to eyes at the base of first arms C second pair located ventrally, adjacent to funnel opening, at base of fourth arms; eyes large, laterally directed; funnel extends beyond eye level, distal one quarter free D bioluminescent tissue E biserial suckers on arms decreasing in size towards the distal portion F nuchal folds. To see the character dimensions, see Table 1. Scale bars: 10 cm (A–C).