Author: (Goode & Bean, 1896)
FBname: Longray fangjaw
Comments: Mesopelagic species, showing marked stratification of size with depth, with the largest individuals deepest (Ref. 4869); also bathypelagic (Ref. 5951).  Exhibits diel color change, darkening slightly at night (Ref. 4769).  Feeds on zooplankton.