isos, Ecsenius McKinney [J. F.] & Springer [V. G.] 1976:5, Fig. 4 [Smithsonian Contributions to Zoology No. 236; ref. 7087] British Bathing Beach, Efate, Pango Peninsula, Vanuatu. Holotype: BPBM 12122. Paratypes: USNM 195787 (3). Type catalog: Springer et al. 1991:12 [ref. 18888]. •Valid as Ecsenius isos McKinney & Springer 1976 -- (Springer 1988:101 [ref. 6804], Springer 1991:102 [ref. 18995], Springer & Randall 1999:40 [ref. 24274], Laboute & Grandperrin 2000:399 [ref. 25191], Springer 2001:3544 [ref. 26290], Randall 2005:489 [ref. 28239], Patzner et al. 2009:452 [ref. 30396], Allen & Erdmann 2024:1306 [ref. 40796]). Current status: Valid as Ecsenius isos McKinney & Springer 1976. Blenniidae: Salariinae. Distribution: Western Pacific: Vanuatu and New Caledonia. Habitat: marine.