Eschmeyer, W.N.; R. Fricke; R. van der Laan (14 May 2018). "Catalog of Fishes". California Academy of Sciences. Retrieved 14 May 2018.
doi.org
Roberts, Tyson R. (1980). "A Revision of the Asian Mastacembelid Fish Genus Macrognathus". Copeia. 1980 (3): 385–391. doi:10.2307/1444512. JSTOR1444512.
Pethiyagoda, R.; A. Silva; K. Maduwage; L. Kariyawasam (2008). "The Sri Lankan Five-eyed Spiny Eel, Macrognathus pentophthalmos (Teleostei: Mastacembelidae), and its enigmatic decline". Zootaxa. 1931: 37–48. doi:10.11646/zootaxa.1931.1.3.
Roberts, Tyson R. (1980). "A Revision of the Asian Mastacembelid Fish Genus Macrognathus". Copeia. 1980 (3): 385–391. doi:10.2307/1444512. JSTOR1444512.