| Family: |
Gobiidae (Gobies), subfamily: Sicydiinae |
| Max. size: |
3 cm SL (male/unsexed); 2.71 cm SL (female) |
| Environment: |
demersal; freshwater, amphidromous |
| Distribution: |
Oceania: Samoa Archipelago and Futuna (Ref. 87775). |
| Diagnosis: |
Dorsal spines (total): 7-8; Dorsal soft rays (total): 8-10; Anal spines: 1-1; Anal soft rays: 10-10. Second dorsal fin with 9 segmented rays, first dorsal din with spines 3 and 4 filamentous in males; pectoral fin usually with 14 rays; scales extend ventral to first dorsal fin and usually widely spaced anteriorly; predorsal midline usually naked in males and with few cycloid scales anterior to first dorsal fin origin in females; rakers absent from inner edge of outer gill arch; males with a dusky ring on pelvic disk, dorsal to midline and on caudal peduncle with 2 to 4 rows of whitish spots; females with dusky lateral bands, not blackish. |
| Biology: |
Occurs in clear, swift streams, sometimes close to the sea. Collected also above a waterfalls. |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 29 August 2011 Ref. (130435)
|
| Threat to humans: |
harmless |
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