6958 Histiobranchus bathybius (Günther, 1877) Synaphobranchidae Cutthroat eels Synaphobranchinae Anguilliformes Teleostei Deep-water arrowtooth eel North Atlantic and North Pacific. Also in Durban, South Africa and Indo-Pacific (Ref. 3973). FB 2742879 Histiobranchus infernalis 3167.72998046875 m ISH 2022-1966 1966 Histiobranchus bathybius 5325 m ISH 864-1986 1986 Histiobranchus bathybius 3720 - 3780 m