Mantle thin, saccular but tapering posteriorly. Fins oval, posteriorly situated. Head part fused with mantle. A pair of Λ-shaped cartilaginous streaks at the position of both mantle-funnel fusions. Minute spinous tubercles present on the gladius on the mid-dorsum. Eyes bulbous with 14 photophores ventrally. Arms short, with biserial suckers. Tentacular club with 4 series of suckers.
Distribution:
Epi- to bathypelagic in the warm and tropical regions of the world oceans.
Remarks:
This species, along with the preceding species at their early stages of life, are abundantly caught from the sea surface with conventional tow-net.