stimpsoni, Sicydium Gill [T. N.] 1860:101 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 12; ref. 1764] Freshwater streams, Hilo, Hawaii, Hawaiian Islands. Syntypes: BMNH 1879.5.14.540-543 (now 2), 1879.5.14.544 (1), ?1912.11.28.10-14 (now 1). •Valid as Sicyopterus stimpsoni (Gill 1860) -- (Zink et al. 1996:331 [ref. 22396], Greenfield et al. 1998:501 [ref. 23340], Nishimoto & Fitzsimons 1999:815 [ref. 23947], McDowall 2003:705 [ref. 26832], Greenfield & Randall 2004:498 [ref. 28175], Benbow et al. 2004:129 [ref. 28266], Mundy 2005:481 [ref. 28379], Keith et al. 2015:134 [ref. 34328], Parenti 2021:421 [ref. 38603]). Current status: Valid as Sicyopterus stimpsoni (Gill 1860). Oxudercidae: Sicydiinae. Distribution: Central Pacific: Hawaiian Islands (U.S.A.) endemic. Habitat: freshwater, brackish, marine.