Abralia trigonura is a species of enoploteuthid cephalopod found in the Pacific Ocean in the mesopelagic zone. Females reach a mantle length of 31âÂÂ35 mm compared to males at 23âÂÂ27 mm at maturity. Females spawn in batches of 290âÂÂ430 small eggs, 0.9 mm in length. The paralarvae stage lasts about 40 days before shifting to adult mode. Male spermatophores are relatively small at 7 mm in length. It migrates to the upper water column to feed at night.