Species that contain: Mastacembelus and tinwini [ 2 ] records

strigiventus, Mastacembelus Zhou [W.] & Yang [L.-P.] in Yang & Zhou 2011:328, Figs. 3, 8 [Acta Zootaxonomica Sinica v. 36 (no. 2); ref. 31298] Nabang-He River, Irrawaddy drainage, Nabang, 24°40'N, 97°34'E, Yingjiang County, Yunnan Province, China. Holotype: KIZ 7801024. Paratypes: KIZ 7801022-23 (2). Type catalog: Du et al. 2013:355 [ref. 32939], •Questionably a synonym of Mastacembelus tinwini Britz 2007 -- (Kottelat 2013:313 [ref. 32989]). •Valid as Mastacembelus strigiventus Zhou & Yang 2011 -- (Zhang et al. 2016:193 [ref. 34477], Chen et al. 2024:134 [ref. 41792]). Current status: Valid as Mastacembelus strigiventus Zhou & Yang 2011. Mastacembelidae. Distribution: Southeast Asia: Irrawaddy River basin, Myanmar and Yunnan Province, China. Habitat: freshwater.

tinwini, Mastacembelus Britz [R.] 2007:258, Figs. 2, 3a [Ichthyological Exploration of Freshwaters v. 18 (no. 3); ref. 29343] Thaton market, Mon State, Myanmar. Holotype: NRM 55468. Paratypes: BMNH 2007.1.10.1 (1), CMK 19715 (6), NRM 48646 (12), USNM 385951 (4). Plus non-type material. •Valid as Mastacembelus tinwini Britz 2007 -- (Kottelat 2013:313 [ref. 32989], Ng et al. 2019:534 [ref. 36606], Jamaluddin et al. 2022:[7] [ref. 39245], Britz & Kottelat 2025:675 [ref. 42629]). Current status: Valid as Mastacembelus tinwini Britz 2007. Mastacembelidae. Distribution: Southeast Asia: Salween and Irrawaddy River basins, Myanmar, Malaya (Malaysia) and peninsular Thailand, middle Mekong River basin, Thailand and Laos. Habitat: freshwater.