dux, Pentapus Valenciennes [A.] 1862:1203 [8] [Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences v. 54; ref. 4506] Réunion, western Mascarenes, southwestern Indian Ocean. Holotype: MNHN 0000-2591 (dry). Type catalog: Bauchot et al. 1983:20 [ref. 11366], Bauchot et al. 1983:70 [ref. 21545]. On p. 8 of separate. •Questionably the same as Gymnocranius robinsoni (Gilchrist & Thompson 1908) -- (Sato 1986:607 [ref. 5152]). •Synonym of Gymnocranius grandoculis (Valenciennes 1830) -- (Allen in Carpenter & Allen 1989:27 [ref. 13577], Fricke 1999:296 [ref. 24106], Carpenter 2022:317 [ref. 39786]). Current status: Synonym of Gymnocranius grandoculis (Valenciennes 1830). Lethrinidae: Monotaxinae. Habitat: marine.