erythraeus, Ichthyocampus Gilbert [C. H.] 1905:613, Fig. 238 [Bulletin of the U. S. Fish Commission v. 23 (pt 2) [for 1903]; ref. 1631] Off the south coast of Molokai Island, Hawaiian Islands, Albatross station 3847, depth 23-24 fathoms. Holotype: USNM 51548. •Valid as Festucalex erythraeus (Gilbert 1905) -- (Dawson 1977:629 [ref. 1066], Araga in Masuda et al. 1984:88 [ref. 6441], Dawson 1985: 70 [ref. 6541], Dawson 1986:448 [ref. 5650], Paulus 1999:2270 [ref. 24794], Nakabo 2000:521 [ref. 25086], Randall & Lim in Randall & Lim 2000:604 [ref. 25122], Nakabo 2002:521 [ref. 26001], Manilo & Bogorodsky 2003:S101 [ref. 27377], Fricke 2004:27 [ref. 28269], Mundy 2005:319 [ref. 28379], Randall 2007:161 [ref. 30952], Kuiter 2009:208 [ref. 30404], Allen & Erdmann 2015:51 [ref. 33644], Prokofiev 2016:624 [ref. 34850], Hamilton et al. 2016:Supplement 1 [ref. 35615], Kim et al. 2020:87 [ref. 39118], Lee & Kim 2020:784 [ref. 37951], Moots 2022:453 [ref. 39722]). Current status: Valid as Festucalex erythraeus (Gilbert 1905). Syngnathidae: Syngnathinae. Distribution: Central Pacific: Hawaiian Islands (U.S.A.) endemic. Habitat: marine.