| Family: |
Rivulidae (Rivulines), subfamily: Rivulinae |
| Max. size: |
7.1 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater; brackish; pH range: 6 - 7; depth range 20 - 80 m, non-migratory |
| Distribution: |
South America: French Guiana (Ref. 36579) and Suriname (Ref. 59052). Status of this species is uncertain; possibly a regional form of Rivulus urophthalmus. |
| Diagnosis: |
|
| Biology: |
Occurs in flooded savannas and coastal swamps which are sunlit. Frequently found in shallow waters and is sympatric with other Rivulus of French Guiana except R. ocellatus (Ref. 27188). Not a seasonal killifish. Juveniles are released from eggs measuring 1.2 mm (Ref. 35237). Sexual differentiation is possible at 4 months; sexual maturity is reached at 5 months of age (Ref. 27188). Calm and passive; is easy to maintain in the aquarium (Ref. 27139). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 01 March 2007 Ref. (130435)
|
| Threat to humans: |
harmless |
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