| Family: |
Gobiidae (Gobies), subfamily: Sicydiinae |
| Max. size: |
6 cm SL (male/unsexed); 2.92 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Oceania: Futuna Island. Endemic (Ref. 75883 and also Ref. 87775). |
| Diagnosis: |
Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 9-10. Species distinguished by females having 4-7 closely set, slightly flexible tricuspid premaxillary teeth and 2-4 canine-like teeth at the tips of the premaxilla; adult males with 4-7 premaxillary fixed recurved conical to canine-like teeth; females with 19-20 scales along lateral midline; small tongue, rounded and mostly free from floor of mouth anteriorly; pelvic disc fused to belly between fifth rays only (Ref. 75883). |
| Biology: |
Occurs in swift clear streams with rocky bottom; collected at an altitude of 147 m. Observed to swim in open water and are not always on the bottom of the river. Although feeding habits have not been studied, a few examined specimens apparently feed on aquatic insects and crustaceans (Atyidae) (ref. 75883). |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 23 August 2011 (B1ab(ii,iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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