Only a few were caught above 500 m, thus it appears that this species does not regularly migrate on a diel basis out of the mesopelagic. With its large accessory orbital photophore (AO), this species likely uses this in employing a far-red visual system as part of its foraging strategy .
Dorsal soft rays (total): 16 - 21; Anal soft rays: 18 - 23; Vertebrae: 45 - 51. This species possess the following characters: in male, postorbital photophore (PO) 3.7-6.4% upper jaw length (UJL), 0.9-1.7% SL; female PO 2.5-4.4% UJL, 0.6-1.2% SL; IP photophores 5-7 in 3-7 clusters .: elongated.
Behavioural data for Southern stoplight loosejaw is currently being reviewed.
Diet information for Southern stoplight loosejaw is currently being compiled.
Reproduction data for Southern stoplight loosejaw is currently being compiled.
Marine; bathydemersal; depth range 500 - 2000 m . Subtropical; 25°S - 45°S Indian Ocean and Indo-Australasian Archipelago.
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