rubicauda, Enneapterygius Shen [S.-C.] 1994:17, Fig. 11 [Acta Zoologica Taiwanica v. 5 (no. 2); ref. 21605] Liu-chiu [Liouciou] Township, Pintung County, off southern coast of Taiwan. Holotype: NTUM 07806. Paratypes: NTUM 07803-04 (1, 1), 07857-59 (1, 1, 1); USNM 329661 (1). Non-types: NTUM 07805 (9). Type catalog: Springer & Orrell 1996:30 [ref. 22274], Ho & Shao 2011:52 [ref. 31432]. Enneapterygius erythrosoma and E. rubricauda were described in the same work, Fricke 1997:313 [ref. 23339] serves as first reviser selecting E rubricauda. •Valid as Enneapterygius rubicauda Shen 1994 [often wrongly with Shen & Wu as authors] -- (Fricke 1997:310, 571 [ref. 23339], Shimojyo & Hayashi 2000:49 [ref. 24903], Fricke & Williams in Randall & Lim 2000:632 [ref. 25122], Nakabo 2000:1085 [ref. 25182], Fricke 2001:5 [ref. 25985], Williams & Fricke 2001:3534 [ref. 26288], Nakabo 2002:1085 [ref. 26193], Fricke 2002:189 [ref. 29865], Allen & Adrim 2003:53 [ref. 26830] as rubricauda, Fricke 2009:42 [ref. 30394], Patzner et al. 2009:446 [ref. 30396], Allen & Erdmann 2012:770 [ref. 31980], Fricke & Erdmann 2017:28 [ref. 35129]). •Synonym of Enneapterygius flavoccipitis Shen 1994 -- (Chiang & Chen 2008:195 [ref. 29932] with author as Shen & Wu, Endo et al. 2010:9 [ref. 30815], Meguro & Motomura 2010:1 [ref. 31252], Ho & Shao 2011:52 [ref. 31432], Dewa & Motomura 2022:[14] [ref. 39404]). Current status: Synonym of Enneapterygius flavoccipitis Shen 1994. Tripterygiidae: Tripterygiinae. Distribution: Western Pacific: Philippines, Taiwan and Ryukyu Islands, Vanuatu and Loyalty Islands [if valid]. Habitat: marine.