Abralia similis is a species of enoploteuthid cephalopod that occurs in equatorial and subtropical Pacific Ocean waters south of the Kuroshio Current, and is known from the waters of Papua New Guinea, Japan, Kiribati and Tonga. This species exhibits sexual dimorphism, with females reaching mantle lengths of 17âÂÂ30 mm in length and males only reaching 17âÂÂ22 mm mantle lengths. Male spermatophores are relatively long, at 5.2âÂÂ7.7 mm in length. Females have small oocytes, at only 1.0 mm in length.