Stonogobiops xanthorhinicus Hoese & Randall, 1982
Yellownose prawn-goby
Stonogobiops xanthorhinicus
photo by Petrinos, C.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  6 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 3 - 45 m
Distribution:  Western Pacific: Indonesia, New Guinea, the Solomon Islands, the northern Great Barrier Reef, and southern Japan. Replaced by Stonogobiops dracula in the Indian Ocean (Ref. 37816).
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 11-11; Anal spines: 1-1; Anal soft rays: 10-10; Vertebrae: 26-26. Eyes and mouth large. Angle of jaws 20-30 degrees. Heads pores absent. Scales on thorax and pectoral base absent to few small ones. Longitudinal scale series 75-92, transverse 19-23. Anterior part of head bright yellow; adults with dark head band ending on lower margin of preoperculum. 1st to 4th dorsal spines prolonged in adults; 2nd dorsal fin light blue with fine reticulum of yellow. Pectoral fins pointed. Palatine with tooth-like projections. Median predorsal region naked.
Biology:  Observed to hover 1 to 4 cm above the entrance of its burrow, in sand or sand and rubble substrate. Usually seen in pairs with alpheid shrimps. Occurs in deep coastal slopes and sand flats, usually in depth over 20 meters (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 27 August 2020 Ref. (130435)
Threat to humans:  harmless


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