spinosus, Indostomus Britz [R.] & Kottelat [M.] 1999:329, Figs. 3a-b [Ichthyological Exploration of Freshwaters v. 10 (no. 4); ref. 24232] Confluence of Nam Leuk and Nam Ngang [Gnong], Bolikhamsai Province, Laos, 18°22'04"N, 103°05'27"E. Holotype: ZRC 43683. Paratypes: CMK 13259 (36), 14445 (166), 15095 (19), 15118 (1, c&s); DFV uncat. (10); NRM 42601 (10), 42604 (2); ZRC 43684 (10). •Valid as Indostomus spinosus Britz & Kottelat 1999 -- (Kottelat 2001:146 [ref. 25780], Britz & Johnson 2002:4 [ref. 26747], Kottelat 2013:301 [ref. 32989], Taki et al. 2021:336 [ref. 39830]). Current status: Valid as Indostomus spinosus Britz & Kottelat 1999. Indostomidae. Distribution: Southeast Asia: Mekong River basin, Thailand, Cambodia and Laos. Habitat: freshwater.