elegans, Sicydium Steindachner [F.] 1879:152 [34] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 80 (nos 1-2); ref. 4229] Society Islands. Lectotype: NMW 57852-2. Paralectotypes: NMW 57858-1 (1), 57858-3 (1), 57858-4 (1). On p. 34 of separate. Lectotype selected by Watson 1995:42 [ref. 21672]. •Valid as Stiphodon elegans (Steindachner 1879) -- (Akihito in Masuda et al. 1984:285 [ref. 6441], Kawanabe & Mizuno 1989:635 [ref. 25598], Wu in Pan et al. 1991:495 [ref. 23876], Maugé et al. 1992:225 [ref. 19910], Parenti & Maciolek 1993:968 [ref. 21279], Kottelat et al. 1993:154 [ref. 23448], Watson & Kottelat 1995:1 [ref. 21671], Watson 1998:76 [ref. 23640], Marquet et al. 1999:43 [ref. 23934], Buden et al. 2001:7 [ref. 25496], Larson & Murdy 2001:3603 [ref. 26293] dated 1859, Keith et al. 2002:146 [ref. 31473], Keith et al. 2002:163 [ref. 26365], Maeda & Saeki 2013:216 [ref. 33022], Maeda et al. 2015:256 [ref. 33999], Keith et al. 2015:192 [ref. 34328], Miesen et al. 2016:95 [ref. 34492], Parenti 2021:426 [ref. 38603]). Current status: Valid as Stiphodon elegans (Steindachner 1879). Oxudercidae: Sicydiinae. Distribution: South Pacific: Fiji east to Austral Islands (French Polynesia) [amphidromous]. Habitat: freshwater, brackish, marine.