| Family: |
Gobiidae (Gobies), subfamily: Sicydiinae |
| Max. size: |
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3.01 cm SL (male/unsexed); 3.43 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Oceania: northern New Guinea and the islands of New Hanover and Bougainville in Papua New Guinea. |
| Diagnosis: |
Dorsal spines (total): 6-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 9-9. Male with 6 spines in first dorsal fin, female with 5; pectoral rays almost always 15; dusky to blackish band extending midlaterally from behind pectoral base to below origin of second dorsal fin in male and ending as a small spot at hypural base in female; in life male with lower two thirds of body between second dorsal and anal fins, and caudal peduncle bright red. |
| Biology: |
Inhabits clear, swift, high gradient streams with bottom of boulders and gravel at elevations of 350 m and 500 m. |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 12 February 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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