opercularis, Heliastes Günther [A.] in Playfair & Günther 1867:84, Pl. 11 (fig. 2) [The fishes of Zanzibar; ref. 3490] Zanzibar, Tanzania, western Indian Ocean. Holotype (unique): BMNH 1867.3.9.316 (right half skin). Paratypes: BMNH 1865.3.18.34 (spirits). Original genus should have been Heliases. The half skin is of the size of one specimen mentioned in the original description (pers. comm. J. Maclaine email 9/8/06). •Valid as Chromis opercularis (Günther 1867) -- (Allen 1986:675 [ref. 5631], Winterbottom et al. 1989:46 [ref. 13251], Allen 1991:240 [ref. 19344], Goren & Dor 1994:51 [ref. 25356], Allen 2000:90 [ref. 37268], Hutchins 2001:266 [ref. 25841], Hutchins 2001:37 [ref. 25847], Allen 2001:3343 [ref. 26132], Allen & Adrim 2003:45 [ref. 26830], Heemstra & Heemstra 2004:333 [ref. 28072], Fricke et al. 2009:78 [ref. 30213], Shibukawa 2009:206 [ref. 30449], Allen & Erdmann 2012:584 [ref. 31980], Fricke et al. 2013:264 [ref. 32706], Motomura et al. 2017:[8] [ref. 35661], Fricke et al. 2018:264 [ref. 35805], Allen 2018:20 [ref. 35994], Parenti 2021:55 [ref. 38418], Allen 2022:137 [ref. 39911], Allen & Erdmann 2024:602 [ref. 40796]). Current status: Valid as Chromis opercularis (Günther 1867). Pomacentridae: Chrominae. Distribution: Indian Ocean: KwaZulu-Natal (South Africa), East Africa (Mozambique, Tanzania, Kenya), Mozambique Channel, Seychelles and Madagascar east to western Indonesia. IUCN (2022): Least Concern. Replaced in Réunion and Mauritius by Chromis torquata Allen 2018. Habitat: marine.