The Hymenocephalus longibarbis lives in the benthopelagic, marine, depth range 430 - 920 m environment.
Hymenocephalus longibarbis (Günther 1887) - (Yatou in Okamura et al. 1982:141, 346 , Paxton et al. 1989:327 , Iwamoto in Cohen et al. More
Hymenocephalus longibarbis Paxton et al. More
Longbarb whiptail in English