Mccosker, J. E., and H.-C. Ho. “New Species of the Snake Eels Echelus and Ophichthus (Anguilliformes: Ophichthidae) from Taiwan”. Zootaxa, vol. 4060, no. 1, Dec. 2015, pp. 71–85, doi:10.11646/zootaxa.4060.1.11.