erythrosoma, Enneapterygius Shen [S.-C.] 1994:7, Fig. 5 [Acta Zoologica Taiwanica v. 5 (no. 2); ref. 21605] Wen-tz-keng, north coast of Taiwan. Holotype: NTUM 7815. Paratypes: NTUM 7816 (1), 7852 (1), 7854 (1); USNM 329658 (1). Non-type material: NTUM. Type catalog: Springer & Orrell 1996:26 [ref. 22274], Ho & Shao 2011:52 [ref. 31432]. Authorship is Shen alone, not Shen & Wu. •Synonym of Enneapterygius rubicauda Shen 1994 -- (Fricke 1997:310, 571 [ref. 23339], Fricke 2009:42 [ref. 30394]). •Valid as Enneapterygius erythrosomus Shen -- (Chiang & Chen 2008:194 [ref. 29932] with authorship as Shen & Wu, Motomura et al. 2010:185 [ref. 31256]). •Valid as Enneapterygius erythrosoma Shen -- (Ho & Shao 2011:52 [ref. 31432], Meguro & Motomura 2010:1 [ref. 31252], Dewa & Motomura 2022:[2] [ref. 39404], Dewa et al. 2024:11 [ref. 40809]). Current status: Valid as Enneapterygius erythrosoma Shen 1994. Tripterygiidae: Tripterygiinae. Distribution: Western Pacific: northeastern Taiwan north to Sagami Bay (Japan) and Izu Islands (Japan). Habitat: marine.