Callogobius okinawae (Snyder, 1908)
Okinawa flap-headed goby
photo by Randall, J.E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  5 cm SL (male/unsexed)
Environment:  reef-associated; brackish; marine; depth range 0 - 12 m
Distribution:  Western Pacific: Philippines to Vanuatu, north to the Ryukyu Islands; Marshall Islands in Micronesia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-10; Anal spines: 1-1; Anal soft rays: 8-8. Body dark brown and clouded with black patches, color lighter on belly; dorsal fins with several series of spots; pectoral base with one dark patch on upper part; caudal brown; ventral and anal whitish. Longitudinal scales 44. Transverse scales 17. Maxillary does not reach eye. Head with several rows of papillae and dermal folds on snout, cheek and opercle. Several transversal folds under lower jaw. Longitudinal row of folds from corner of mouth and lower jaw are interrupted. No scales on nape anteriorly. First dorsal fin obtuse, middle rays longest; 2nd dorsal higher than the 1st, pointed posteriorly. Pectoral does not reach anal fin origin. Pelvic fin notched, connected by frenum and membrane. Caudal fin lanceolate.
Biology:  Inhabits intertidal pools and silty bottoms of estuaries (Ref. 90102).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 28.01.93
Modified by: Valdestamon, Roxanne Rei - 22.04.13

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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