Psilogobius prolatus Watson & Lachner, 1985
Longjaw shrimpgoby
photo by Watson, R.E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  5.5 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 20 m
Distribution:  Indo-Pacific.
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 10-10; Anal spines: 1-1; Anal soft rays: 9-10. Characterized by pale grey to brownish body color with five large, ovate dark brown blotches on side of body; anterior part of body with narrow white bars; upper half of head and body with brown mottling and small blue spots; blue streaks aligned with fin rays on median fins; prolonged and filamentous third dorsal spine; united pelvic fins, well developed frenum present; small ctenoid scales covering body; head without scales except small patch of ctenoid scales above operculum; greatest depth of body 5.4-5.6 in SL; oblong caudal fin, equal or longer than head length (Ref. 90102).
Biology:  Found in sheltered coastal bays, lagoons and estuaries (Ref. 48637). Also found in sand-rubble bottoms in 1-20 m (Ref 90102).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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