gracilis, Crocodilichthys Allen [G. R.] & Robertson [D. R.] 1991:79, Fig. 2 [Revue française d'Aquariologie Herpétologie v. 18 (no. 3); ref. 19723] Los Islotes, Partida Island, Gulf of California, Mexico, about 25°02'N, 110°32'W, depth 10-12 meters. Holotype: USNM 316798. Paratypes: USNM 316799 (1), WAM P.30231-001 (1). Type catalog: Springer & Orrell 1996:26-27 [ref. 22274], Moore et al. 2008:41 [ref. 30117]. •Valid as Crocodilichthys gracilis Allen & Robertson 1991 -- (Allen & Robertson 1994:221 [ref. 22193], De La Cruz Agüero et al. 1997:302 [ref. 24545], Fricke 1997:564 [ref. 23339], Thomson et al. 2000:204 [ref. 25640], Nelson et al. 2004:161 [ref. 27807], Love et al. 2005:152 [ref. 37547], Fricke 2009:36 [ref. 30394], Patzner et al. 2009:444 [ref. 30396], Page et al. 2013:166 [ref. 32708], Love et al. 2021:194 [ref. 39279], Page et al. 2023:153 [ref. 40505]). Current status: Valid as Crocodilichthys gracilis Allen & Robertson 1991. Tripterygiidae: Tripterygiinae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) and Gulf of California (Mexico). Habitat: marine.