Okinawa flap-headed goby (Callogobius okinawae)

Scientific name: Callogobius okinawae Snyder, 1908

Okinawa flap-headed goby (Callogobius okinawae)

The Okinawa flap-headed goby (Callogobius okinawae) is a brackish-water fish of the family Gobiidae. Native range: Western Pacific, Philippines to Vanuatu, north to the Ryukyu Islands; Marshall Islands in Micronesia.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Callogobius okinawae
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.0
Depth range
12 m (39 ft)
Environment
Marine; brackish; reef-associated; depth range ? - 12 m
Climate
Tropical
Distribution
Western Pacific: Philippines to Vanuatu, north to the Ryukyu Islands; Marshall Islands in Micronesia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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