sanguinellus, Trimma Winterbottom [R.] & Southcott [L.] 2007:74, Figs. 3B, 4, 5A-B [aqua, International Journal of Ichthyology v. 13 (no. 2); ref. 29375] Andaman Sea, Molucca Strait, north of Phuket on eastern coast of Similan Island, 8°38"N, 97°39'E, western Thailand, depth 0-17 meters. Holotype: ROM 81760. Paratypes: PMBC 21162 (2); ROM 68114 (1), 68252 (10). 70734 (2), 1779CS (1, c&s). Type catalog: Winterbottom 2019:42 [ref. 37115] as sanguinellus. Combined with a neuter genus, the adjective should be sanguinellum. •Valid as Trimma sanguinellus Winterbottom & Southcott 2007 -- (Allen & Erdmann 2012:945 [ref. 31980], Winterbottom 2017:563 [ref. 35329], Winterbottom 2019:42 [ref. 37115]). •Valid as Trimma sanguinellum Winterbottom & Southcott 2007 -- (Parenti 2021:242 [ref. 38603]). Current status: Valid as Trimma sanguinellum Winterbottom & Southcott 2007. Gobiidae: Gobiinae. Distribution: Eastern Indian Ocean: western Thailand and Sumatra (Indonesia). Habitat: marine.