bicolor, Monopterus Nguyen [H. D.] & Nguyen [V. H.] in Nguyen 2006:629, Fig. 1 [Freshwater fishes of Vietnam v. 3; ref. 29809] Dien Khanh (Khanh Hoa), Vietnam. Holotype: Su Pham Univ., Hanoi. Paratype: (1). •Valid as Monopterus bicolor Nguyen & Nguyen 2006 as species inquienda -- (Kottelat 2013:308 [ref. 32989], Endruweit 2024:116 [ref. 41040]). Current status: Uncertain as Monopterus bicolor Nguyen & Nguyen 2006. Synbranchidae. Distribution: Southeast Asia: Dien Khanh, Khanh Hoa, Vietnam [if valid]. Habitat: freshwater.