hainanensis, Leiocassis Tchang [T.-L.] 1935:175, Fig. 2 [Bulletin of the Fan Memorial Institute of Biology, Peiping (Zoology Series) v. 6 (no. 4); ref. 15748] Hainan Island, China. Holotype: ASIZB [now NZMC] 19805 [ex 12904]. Paratype ASIZB [now NZMC] [ex 12903] (1) not in Ye et al. 2015. Type catalog: Zhang 1996:501 [ref. 24036], Ferraris 2007:88 [ref. 29155], Ye et al. 2015:74 [ref. 33808] •Synonym of Mystus elongatus (Günther 1864) -- (Ni & Wu in Kuang et al. 1986:174 [ref. 26639]). •Synonym of Mystus pluriradiatus (Vaillant 1892) -- (Gao in Pan et al. 1991:316 [ref. 23876]). •Synonym of Hemibagrus pluriradiatus (Vaillant 1892) -- (Zhang et al. 2016:182 [ref. 34477]). •Valid as Hemibagrus hainanensis (Tchang 1935) -- (Ferraris 2007:88 [ref. 29155], Ng & Kottelat 2013:266 [ref. 32495], Kottelat 2013:259 [ref. 32989], Ye et al. 2015:74 [ref. 33808]). Current status: Valid as Hemibagrus hainanensis (Tchang 1935). Bagridae. Distribution: Hainan Island, China. Habitat: freshwater.