Species that contain: Eugnathogobius and siamensis [ 5 ] records

jurongensis, Vaimosa Herre [A. W. C. T.] 1940:18, Pl. 13 [Bulletin of the Raffles Museum No. 16; ref. 2130] Brook at Jurong, Singapore. Holotype: CAS-SU 32982. Paratypes: (24) BMNH 1938.12.1.215-217 (3) from Herre, CAS-SU 32983 (22). Type catalog: Böhlke 1953:119 [ref. 12291]. •Valid as Pseudogobiopsis jurongensis (Herre 1940) -- (Roberts 1989:168 [ref. 6439], Larson et al. 2008:143 [ref. 29532]). •Synonym of Eugnathogobius siamensis (Fowler 1934) -- (Larson 2001:71 [ref. 25522], Larson 2009:148 [ref. 30125], Kottelat 2013:406 [ref. 32989]). Current status: Synonym of Eugnathogobius siamensis (Fowler 1934). Oxudercidae: Gobionellinae. Habitat: freshwater.

mawaia, Vaimosa Herre [A. W. C. T.] 1936:9, Pl. 6 [Bulletin of the Raffles Museum No. 12; ref. 10994] A ditch in the Mawai district, Johore, 55 miles north of Singapore. Holotype (unique): CAS-SU 29080. Type catalog: Koumans 1940:152 [ref. 2676], Böhlke 1953:119 [ref. 12291]. •Synonym of Eugnathogobius siamensis (Fowler 1934) -- (Larson 2001:71 [ref. 25522], Larson 2009:148 [ref. 30125], Kottelat 2013:406 [ref. 32989]). Current status: Synonym of Eugnathogobius siamensis (Fowler 1934). Oxudercidae: Gobionellinae. Habitat: freshwater.

oratai, Vaimosa Herre [A. W. C. T.] 1940:20, Pl. 15 [Bulletin of the Raffles Museum No. 16; ref. 2130] Brook at Tawau, Sabah [British North Borneo]. Holotype: CAS-SU 32988. Paratypes: CAS-SU 24433 (1). Type catalog: Böhlke 1953:119 [ref. 12291]. •Valid as Pseudogobius oratai (Herre 1940) -- (Kottelat et al. 1993:150 [ref. 23448]). •Synonym of Eugnathogobius siamensis (Fowler 1934) -- (Larson 2001:71 [ref. 25522], Larson 2009:148 [ref. 30125], Kottelat 2013:406 [ref. 32989]). Current status: Synonym of Eugnathogobius siamensis (Fowler 1934). Oxudercidae: Gobionellinae. Habitat: freshwater.

siamensis, Vaimosa Fowler [H. W.] 1934:157, Fig. 125 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 86; ref. 1417] Silom Canal, Bangkok, Thailand. Holotype (unique): ANSP 60025. Type catalog: Böhlke 1984:110 [ref. 13621]. •Valid as Calamiana siamensis (Fowler 1934) -- (Rainboth 1996:204 [ref. 22772]). •Valid as Psudogobiopsis siamensis (Fowler 1934) -- (Zhong & Chen 1997:78, 81 [ref. 23372] but as siamenensis and siamemensis, Kottelat & Lim 1996:247 [ref. 23210], Ng & Tan 1999:364 [ref. 24159], Larson et al. 2008:143 [ref. 29532], Huang et al. 2014:146 [ref. 33157]). •Valid as Eugnathogobius siamensis (Fowler 1934) -- (Larson 2009:148 [ref. 30125], Kottelat 2013:406 [ref. 32989], Sulaiman et al. 2018:36 [ref. 35802], Ng et al. 2019:533 [ref. 36606], Taki et al. 2021:467 [ref. 39830], Chan et al. 2023:140 [ref. 40365]). Current status: Valid as Eugnathogobius siamensis (Fowler 1934). Oxudercidae: Gobionellinae. Distribution: Southeast Asia: southern China, Vietnam and south to Indonesia. Introduced in Hong Kong (China). Habitat: freshwater.

wuhanlini, Pseudogobiopsis Zhong [J.-S.] & Chen [I-S.] 1997:79, Figs. 2-3 [Journal of Taiwan Museum v. 50 (no. 2); ref. 23372] Sharngan, Minhou, Min River, Fujian Province, China. Holotype: SFU-3585. Paratypes: SFU: A023558 (1), A023559 (1), GD-840203 (1), SFC-248 (1), 251 (1), SFU-3662-63 (1, 1), 3665-68 (1, 1, 1, 1), 3671-73 (1, 1, 1), 3675 (1), 3677 (1), 3679 (1, 1, 1). •Valid as Pseudogobiopsis wuhanlini Zhong & Chen 1997 -- (Zhang et al. 2016:201 [ref. 34477]). •Synonym of Eugnathogobius siamensis (Fowler 1934) -- (Larson 2001:71 [ref. 25522], Larson 2009:148 [ref. 30125], Kottelat 2013:406 [ref. 32989]). Current status: Synonym of Eugnathogobius siamensis (Fowler 1934). Oxudercidae: Gobionellinae. Habitat: freshwater.