avicennia, Vaimosa Herre [A. W. C. T.] 1940:17, Pl. 12 [Bulletin of the Raffles Museum No. 16; ref. 2130] Mangrove swamp drained by Kranji River, Singapore. Holotype (unique): CAS-SU 33006. Type catalog: Böhlke 1953:118 [ref. 12291]. •Valid as Pseudogobius avicennia (Herre 1940) -- (Larson in Randall & Lim 2000:639 [ref. 25122], Larson 2001:202 [ref. 25522], Larson & Murdy 2001:3601 [ref. 26293], Larson et al. 2008:143 [ref. 29532], Kottelat 2013:422 [ref. 32989], Huang et al. 2013:96 [ref. 33734], Huang et al. 2014:112 [ref. 33161], Chen et al. 2014:131 [ref. 33159], Larson & Hammer 2021:17 [ref. 38276], Parenti 2021:347 [ref. 38603], Taki et al. 2021:458 [ref. 39830]). Current status: Valid as Pseudogobius avicennia (Herre 1940). Oxudercidae: Gobionellinae. Distribution: Indian Ocean: mangroves in Thailand, Malaysia, Singapore, Brunei and western Indonesia. Habitat: freshwater, brackish.