Mantle conical, 2.5 cm long, 45% as wide as long, with broad fin posteriorly attaining 90% of mantle length. Arms with 5〜8 pairs of hooks but change into suckers proximally and distally. Tentacular club with 3 hooks and swimming membrane. Ventral surface of mantle, head and arms covered by numerous photophores but mid-ventral bare stripe. Out of five optic photophores, 1st, 3rd and 5th larger than 2nd and 4th.
Distribution:
Off Cuba and off Suriname. Bathypelagic.
Remarks:
This species is easily separable from sympatric A. varanyi in having shorter mantle, 2 rows of distal arm suckers and different size composition in optic photophores.