| Family: |
Gobiidae (Gobies), subfamily: Sicydiinae |
| Max. size: |
4.1 cm SL (male/unsexed); 3.83 cm SL (female) |
| Environment: |
benthopelagic; freshwater, amphidromous |
| Distribution: |
Oceania: Known only from the Nuru River, northeastern Papua New Guinea. |
| Diagnosis: |
A Sicyopterus with three clefts (one anteriorly and two midlaterally) on upper lip, with smooth lip and with a second dorsal fin with 1 spine and 11 segmented rays. A distinctive black spot at the posterior base of the first dorsal fin, including rays 4 to 6, both in males and females. Lateral scales usually 50-57, predorsal scales 16-25 and transverse forward scales 15-19 (Ref. 90225). |
| Biology: |
|
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 19 February 2020 (B2ab(iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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