boa, Rhinogobius Chen [I-S.] & Kottelat [M.] 2005:1409, Figs. 2, 6, 10 [Journal of Natural History v. 39 (no. 17); ref. 28141] Torrent at kilometer 5 on road Bac Phong Sinh to Mong Cai, 21°35'31"N, 107°43'52"E, Hai Ninh (Ha) District, Quang Ninh Province, Vietnam. Holotype: ZRC 49206. Paratypes: CMK 14890 (4), 14896 (5); ZRC 49207 (4). •Valid as Zhuquella boa (Chen & Kottelat 2005) -- (Endruweit 2024:173 [ref. 41040]). •Valid as Rhinogobius boa Chen & Kottelat 2005 -- (Chen et al. 2008:341 [ref. 29895], Kottelat 2013:424 [ref. 32989], Huang et al. 2016:[8] [ref. 34339], Takahashi & Okazaki 2017:[2] [ref. 35171], Suzuki et al. 2017:82 [ref. 35202], Parenti 2021:355 [ref. 38603], Maeda et al. 2024:523 [ref. 41367]). Current status: Valid as Rhinogobius boa Chen & Kottelat 2005. Oxudercidae: Gobionellinae. Distribution: Southeast Asia: northern Vietnam, close to the border with China. IUCN (2024): Not Assessed. Habitat: freshwater.