Author: (Collett, 1879)
FBname: Black seasnail
Comments: Occurs in deep, cold water (Ref. 4702).  Maximum depth reported at 4009 m (Ref. 58426).  Epibenthic (Ref. 58426).  Feeds on pelagic amphipods, benthic gastropods, and mysids (Ref. 4702).