Fusigobius longispinus Goren, 1978
Orange-spotted sand-goby
photo by Brokovich, E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  8 cm TL (male/unsexed)
Environment:  reef-associated; depth range 9 - 25 m
Distribution:  Indo-West Pacific: Red Sea and East Africa to the Marshall Islands, north to the Ryukyu Islands (Ref. 559), south to the Great Barrier Reef.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 7-8. Covered with evenly-spaced round orange spots; develops an elongate first dorsal spine with growth (Ref. 1602). Body whitish; about 4 patches on lateral side of body, triangular patch on caudal base; all fins whitish with orange spots on dorsal and caudal, Transverse scales 7. Predorsal scales 4. Head triangular in cross-section; snout short and pointed. Dorsal fin triangular in shape; in males, 1st dorsal spine elongated and extending over base of last dorsal ray when depressed; 2nd dorsal fin ray pointed posteriorly. Anal fin similar to 2nd dorsal. Pectoral fin large, extending beyond origin of anal fin. Pelvic fin cup-like with connecting membrane (Ref. 43541).
Biology:  Found on sandy bottoms of caves of seaward reefs (Ref. 1602, 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 26 June 2018 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Luna, Susan M. - 02.03.95
Modified by: Casal, Christine Marie V. - 31.07.08
Checked by: Torres, Armi G. - 26.04.00

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