Author: Regan, 1925
Comments: Appear to be active predators which feed on midwater fishes, including <i>Cyclothone acclinidens</i>, <i>Triphoturus mexicanus</i> and <i>Bathylagus stilbius</i>; cephalopods like <i>Vampyroteuthis</i>; and various invertebrates like amphipods, natant decapod crustaceans and coelenterates (Ref. 4525).  Maximum length for female from Ref. 41361.