Author: (Regan, 1913)
FBname: Southern ocean daggertooth
Comments: Inhabits the epimesopelagic layer of the southern ocean circumglobally.  Only fry and juveniles were observed in subtropical waters; large adults encountered in sub-Antarctic and Antarctic waters.  Capable of shedding teeth and reducing gastrointestinal tract prior to spawning.  Monocyclic, that is, they die after the first spawning (a reproductive strategy that evolved as a result of the large distance between feeding and spawning areas).  Main food is 
  <i>Notolepis coatsi</i> which are 15-38 cm in length and weighs to 57-90 g  (Ref. 31260).