Xenomystax is a genus of eels in the family Congridae. It currently contains the following species: Xenomystax atrarius C. H. Gilbert, 1891 (Deepwater conger) Xenomystax austrinus D. G. Smith & Kanazawa, 1989 Xenomystax bidentatus (Reid, 1940) Xenomystax congroides D. G. Smith & Kanazawa, 1989 (Bristletooth conger) Xenomystax trucidans Alcock, 1894 References Congridae