cousteaui, Labrichthys Roux-Estève [R.] in Roux-Estève & Fourmanoir 1955:199 [Annales de l'Institut Océanographique, Monaco (Nouvelle Série) v. 30 (art. 7); ref. 5324] Abu Latt Island, Saudi Arabia, Red Sea, circa 19°58.0'N, 40°07,6'E. Holotype: MNHN 1952-0254. Paratypes: MNHN 1986-0561 [ex MNHN 1952-0254] (3). Type catalog: Bauchot 1963:77 [ref. 19171] as cousteani. •Synonym of Larabicus quadrilineatus (Rüppell 1835) -- (Dor 1984:204 [ref. 29757], Parenti & Randall 2000:29 [ref. 24943], Bogorodsky & Randall 2018:[16] 254 [ref. 36492], Golani & Fricke 2018:127 [ref. 36273], Randall & Victor 2022:223 [ref. 39916], Golani & Fricke 2026:152 [ref. 42831]). •Synonym of Labroides quadrilineatus (Rüppell 1835) -- (Tea et al. 2026:415 [ref. 43076]). Current status: Synonym of Labroides quadrilineatus (Rüppell 1835). Labridae: Julidinae. Habitat: marine.