delicatulus, Poecilophis Kaup [J. J.] 1856:67 [Archiv für Naturgeschichte v. 22 (pt. 1); ref. 2572] Molucca, Islands. Holotype (unique): RMNH 7212. Type catalog: Böhlke & Smith 2002:105 [ref. 26380] •Valid as Echidna delicatula (Kaup 1856) -- (Hatooka in Masuda et al. 1984:25 [ref. 6441], Böhlke et al. 1989:130 [ref. 13286], Myers 1999:44 [ref. 23965], Böhlke et al. 1999:1656 [ref. 24692], Böhlke & McCosker in Randall & Lim 2000:584 [ref. 25122], Böhlke & Smith 2002:105 [ref. 26380], Allen & Adrim 2003:22 [ref. 26830], Manilo & Bogorodsky 2003:S94 [ref. 27377], Randall et al. 2004:6 [ref. 27624], Chen et al. 2008:134 [ref. 29929], Zhang et al. 2010:246 [ref. 31511], Fricke et al. 2011:349 [ref. 31242], Allen & Erdmann 2012:77 [ref. 31980], Smith 2012:5 [ref. 32155], Moore et al. 2020:109 [ref. 37357] as delicatulus, Allen & Erdmann 2024:85 [ref. 40796]). Current status: Valid as Echidna delicatula (Kaup 1856). Muraenidae: Muraeninae. Distribution: Eastern Indian Ocean, western Pacific: Sri Lanka east to Fiji and Samoa, north to Ryukyu Islands (Japan). Habitat: marine.