eos, Gobiesox Jordan [D. S.] & Gilbert [C. H.] 1882:360 [Proceedings of the United States National Museum v. 4 (no. 237); ref. 2470] Mazatlán, Sinaloa, western Mexico, in rock pools. Syntypes: CAS-SU 48322 [ex USNM 30889] (1); USNM 29247 (1, not found in 1980), 30889 (17). •Valid as Tomicodon eos (Jordan & Gilbert 1882) -- (Briggs 1955:69 [ref. 637], Szelistowski 1990:504 [ref. 20183], Allen & Robertson 1994:87 [ref. 22193], De La Cruz Agüero et al. 1997:155 [ref. 24545], Thomson et al. 2000:263 [ref. 25640], Nelson et al. 2004:168 [ref. 27807], Love et al. 2005:160 [ref. 37547], Page et al. 2013:173 [ref. 32708], Fourriére et al. 2016:449 [ref. 34668], Love et al. 2021:202 [ref. 39279]). Current status: Valid as Tomicodon eos (Jordan & Gilbert 1882). Gobiesocidae: Gobiesocinae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) south to Oaxaca (Mexico), including Gulf of California (Mexico). Habitat: marine.