macrurus, Monacanthus Bleeker [P.] 1856:226 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 12 (no. 1); ref. 354] Nias Island, Indonesia. Syntypes and/or Bleeker specimens: (4) NMV 46256 (1), RMNH 7487 (1). Bleeker specimen: BMNH 1867.11.28.146 (1). •Valid as Cantherhines macrurus (Bleeker 1856) -- (Mohsin & Ambak 1996:354 [ref. 27969] with authorship as Jordan & Seale). •Valid as Pseudomonacanthus macrurus (Bleeker 1856) -- (Hutchins 1977:56 [ref. 2283], Kyushin et al. 1982:286 [ref. 19754], Dor 1984:280 [ref. 29757], Goren & Dor 1994:74 [ref. 25356], Allen 1997:240 [ref. 23977], Kuiter 1997:400 [ref. 25488], Hutchins in Randall & Lim 2000:648 [ref. 25122], Hutchins 2001:3945 [ref. 26316], Allen & Adrim 2003:65 [ref. 26830] dated 1856, Yoshigou et al. 2009:59 [ref. 30576], Allen & Erdmann 2012:1079 [ref. 31980], Yoshida et al. 2013:2209 [ref. 34464], Matsuura 2014:13 [ref. 33576], Matsuura in Kimura et al. 2015:103 [ref. 34319], Matsuura in Motomura et al. 2021:77 [ref. 38121], Gloerfelt-Tarp & Kailola 2022:297 [ref. 41223], Vilasri et al. 2023:98 [ref. 40764]). Current status: Valid as Pseudomonacanthus macrurus (Bleeker 1856). Monacanthidae. Distribution: Eastern Indian Ocean, western Pacific: Singapore, Malaysia, and Indonesia east to Philipines, north to southern Japan. Habitat: marine.