abei, Tetraodon Roberts [T. R.] 1998:228, Fig. 3 [Ichthyological Research v. 45 (no. 3); ref. 23472] Xe Bang Fai watershed, Xe Bang Fai at Ban Geng Sahwang, Mekong basin, Laos. Holotype: CAS 91016. Paratypes: CAS 91017-20 (2, 1, 4, 1), 91832 (2). •Valid as Monotrete abei (Roberts 1998) -- (Kottelat 2001:164 [ref. 25780]). •Valid as Tetraodon abei Roberts 1998 -- (Ebert 2001:50 [ref. 25494], Saenjundaeng et al. 2013:77 [ref. 33104], Saenjundaeng et al. 2013:77 [ref. 32782]). •Valid as Pao abei (Roberts 1998) -- (Kottelat 2013:479 [ref. 32989], Kottelat 2015:49 [ref. 33971], Taki et al. 2021:506 [ref. 39830]). Current status: Valid as Pao abei (Roberts 1998). Tetraodontidae. Distribution: Southeast Asia: Mae Klong, Chao Phraya and Mekong River basins, Thailand, Laos and Cambodia. Habitat: freshwater.