angustus, Poropuntius Kottelat [M.] 2000:46, Fig. 14 [Journal of South Asian Natural History v. 5 (no. 1); ref. 25040] Houay Houn, about 3 kilometers upstream of Ban Houay Lek, in gorges, about 20°32'32"N, 102°40'51"E, Louangphabang Province, Laos. Holotype: ZRC 45308. Paratypes: CMK 14016 (1), 14225 (8), 14334 (2); LARRI uncat. (2); NRM 44886 (2), ZRC 45309 (2). •Valid as Poropuntius angustus Kottelat 2000 -- (Kottelat 2001:69 [ref. 25780], Taki et al. 2021:122 [ref. 39830]). •Synonym of Poropuntius huangchuchieni (Tchang 1962) -- (Hoang et al. 2024:210 [ref. 41179]). Current status: Synonym of Poropuntius huangchuchieni (Tchang 1962). Cyprinidae: Cyprininae. Habitat: freshwater.