rhax, Symphysanodon Anderson [W. D., Jr.] & Springer [V. G.] 2005:16, Fig. 9 [Zootaxa No. 996; ref. 28238] Maldive Islands, 4°11'N, 72°55'E, Indian Ocean, depth 218 meters. Holotype: BMNH 2003.1.5.1. Paratypes: BMNH 2003.1.5.2 (1). Plus non-type material. •Valid as Symphysanodon rhax Anderson & Springer 2005 -- (Quéro et al. 2009:73 [ref. 30244], Anderson et al. 2011:1 [ref. 31513], Anderson et al. 2015:475 [ref. 33979], Anderson in Carpenter & De Angelis 2016:2364 [ref. 34618], Anderson 2022:265 [ref. 39755]). Current status: Valid as Symphysanodon rhax Anderson & Springer 2005. Symphysanodontidae. Distribution: Western Indian Ocean: Maldives and Mascarene Ridge (Nazareth Bank). Habitat: marine.