High-oceanic (Ref. 4479). Mesopelagic (Ref. 58302). Found between 175-550 m during the day and near the surface to about 225 m at night (Ref. 4066, 58302). Large males partially or non-migratory (Ref. 4066). Exhibits dwarfing in minimum region off Brazil with a maximum length of about 3.6 cm SL and sexual maturity from about 2.7 cm SL (Ref. 4479).