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Oxyurichthys auchenolepis
Oxyurichthys auchenolepis Bleeker, 1876
Scaly-nape tentacle goby
Oxyurichthys auchenolepis
photo by Eric Keung@114°E Hong Kong Reef Fish Survey

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  13 cm TL (male/unsexed)
Environment:  demersal; marine
Distribution:  Western Central Pacific: China, Japan, Philippines, Thailand, Singapore, Indonesia, northern Australia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 12-12; Anal spines: 1-1; Anal soft rays: 13-13. This species is distinguished by the following characters: D VI + 1,12; A I,13; single row of upper jaw teeth; fleshy tongue is rounded; upper lip is constricted; callus-like cornification usually present on the dorsoposterior surface of orbit; anterior nares are not darkly pigmented; without spots on gular membrane beneath preopercle or anterior process of quadrate; without dark spots on scales of trunk;absence of prominent blotches, vertical bars or basicaudal spot present on trunk; with membranous crest on nape which may be covered with scales; scales are ctenoid laterally on trunk posterior to middle of first dorsal fin, cycloid anteriorly; prepelvic region is fully scaled; lateral scales 52-72; the first dorsal fin low, spines of appressed fin do not reach posterior to 5th second dorsal-fin element; pectoral-fin rays 21-25; pelvic fins dusky, not barred or mottled (Ref. 103856)..
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 17 August 2023 Ref. (130435)
Threat to humans:  harmless


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