High-oceanic, epipelagic to mesopelagic, found in 375-750 m during the day and near the surface to 125 m at night (Ref. 4066, 58302). Adults feed on zooplankton (Ref. 9835). Caudal glands develop in both sexes from about 1.9 cm (Ref. 4775). Oviparous, with planktonic eggs and larvae (Ref. 31442).