Gladiogobius rex Shibukawa & Allen, 2007
King goby
Gladiogobius rex
photo by Kuiter, R.H.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  3.89 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 0 - 2 m
Distribution:  Indian Ocean: Andaman Sea to Red Sea.
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 9-9. Characterized by pale grey body color with narrow brown stripes and longitudinal rows of bluish white dots on side of body; lower side of body with row of five rectangular brown blotches; irregular brown markings on back; head with dark oblique lines; presence of large brown spot above pectoral fin base; dorsal spines sometimes with filamentous tips; rounded caudal fin; longitudinal scale series 23-25; head and nape without scales; ctenoid body scales except cycloid on abdomen, pectoral fin base and prepelvic region; median predorsal scales absent; opening of gill not reaching to above edge of preopercle; very long cheek spine, length about twice eye diameter and extending well beyond posterior margin of opercular membrane; depth of body 4.8-6.0 in SL (Ref. 90102).
Biology:  Inhabits shoreline reefs and intertidal flats with sand, mud, or silt bottoms in 0-2 m (Ref. 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 26 June 2018 Ref. (130435)
Threat to humans:  harmless


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