HistiobranchusHistiobranchus is a genus of eels in the family Synaphobranchidae.It currently contains the following species: Histiobranchus australis Histiobranchus bathybius Histiobranchus bruuni Castle, 1964 ;Synonyms Histiobranchus infernalis Gill, 1883; valid as ''Histiobranchus bathybius''