| Family: |
Gobiidae (Gobies), subfamily: Gobiinae |
| Max. size: |
4.5 cm SL (male/unsexed) |
| Environment: |
reef-associated; marine; depth range 0 - 70 m |
| Distribution: |
Pacific Ocean: Philippines to the Society Islands, north to southern Japan, south to Australia (including Rowley Shoals, Western Australia) and Tonga. |
| Diagnosis: |
Dorsal spines (total): 6-7; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 8-9. Characterized by dark brown body color and lighter brown to reddish head with five vertical blue lines; young fish with additional vertical lines on body; absence of scales; complete pelvic fin frenum and basal membrane; depth of body at level of pelvic fins 2.6-2.9 in SL (Ref. 90102). |
| Biology: |
Found in groups among branches of Acropora coral (Ref. 9710, 48637); a coral-commensal species (Ref. 72446). Feeds on small invertebrates and zooplanktons (Ref. 89972). Monogamous (Ref. 52884). The male takes care of eggs deposited on a coral branch (Ref. 32163). It has the ability to change sex in both directions to favor reproductive success (Ref. 32163). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 28 June 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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