Author: Garman, 1899
FBname: Pacific hatchet fish
Comments: An oceanic and mesopelagic species (Ref. 4739, 58302), mainly at 300-650 m (Ref. 4054), 170-500 m at night and 350-600 m during day (Ref. 58302), commonly 1-600m (Ref. 035838).  May make short diel migrations (Ref. 4739).  Smaller individuals feed on copepods and ostracods; larger ones feed on euphausiids, salps and chaetognaths (Ref. 4739).  Adult complement of photophores acquired at about 14 mm SL (Ref. 4739).  Oviparous, with planktonic eggs and larvae (Ref. 35838).