phthirophagus, Elacatinus Sazima [I.], Carvalho-Filho [A.] & Sazima [C.] 2008:28, Figs. 1-4 [Zootaxa No. 1932; ref. 29907] Ressurreta, Fernando de Noronha Archipelago, 03°50'S, 32°25'W. Holotype: ZUEC 3895. Paratypes: CIUFES 0893 (2); MZUSP 57608 (4, c&s); ZUEC 3318 (1), 3895 [same number as holotype] (1), 6291 (8, 1 c&s). •Valid as Elacatinus phthirophagus Sazima, Carvalho-Filho & Sazima 2008 -- (Colin 2010:38, 49 [ref. 30879], Van Tassell 2011:152 [ref. 31732], Batista et al. 2012:587 [ref. 41405], Parenti 2021:267 [ref. 38603], Carvalho-Filho 2023:238 [ref. 40480]). Current status: Valid as Elacatinus phthirophagus Sazima, Carvalho-Filho & Sazima 2008. Gobiidae: Gobiinae. Distribution: Southwestern Atlantic: Fernando de Noronha Archipelago and Rocas Atoll (Brazil) endemic. Habitat: marine.