Annotated checklist of eels (orders Anguilliformes and Saccopharyngiformes) from Taiwan Author Ho, Hsuan-Ching Author Smith, David G. Author Mccosker, John E. Author Hibino, Yusuke Author Loh, Kar-Hoe Author Tighe, Kenneth A. Author Shao, Kwang-Tsao text Zootaxa 2015 4060 1 140 189 journal article 39196 10.11646/zootaxa.4060.1.16 768fe284-66d4-4c37-a492-e20e6e5b61c8 1175-5326 243651 E57EEA21-F6D3-4032-B7B4-8FAEAD74D574 Gnathophis heterognathos (Bleeker, 1858) AAAdaª Myrophis heterognathos Bleeker, 1858b :9 , pl. 3, fig. 1 ( type locality: Nagasaki, Japan ). Gnathophis heterognathos (Bleeker, 1858) : Kaup, 1859 :7 ; Castle, 1963 :17 . Rhynchocymba nystromi ( Jordan & Snyder, 1901 ): Chen & Weng, 1967 :51 ; Chen, 1969 :132 ; Shen 1984a :112 ; Chen & Yu, 1986 :252 . Rhynchocymba nystromi nystromi ( Jordan & Snyder, 1901 ): Chu, 1957 :14 ; Liang & Yeh, 1964 :8 ; Lee & Yang, 1966 :57 , fig. 6; Shao et al ., 2008:239. Gnathophis nystromi ( Jordan & Snyder, 1901 ): Shen, 1988 :15 ; Shao et al ., 1994a :274 ; Chen, 2004 :32 . Gnathophis nystromi ginanago ( Asano, 1958 ) :? Shao et al ., 1994a :274 . Remarks. This species was referred to Gnathophis nystromi in most previous works. However, Castle (1963) first suggested and Karmovskaya (2004) later confirmed that G. n y s t ro m i is a junior synonym of G. heterognathos , which has not previously been used for the Taiwanese specimens.