| Family: |
Rivulidae (Rivulines), subfamily: Rivulinae |
| Max. size: |
3.5 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater, non-migratory |
| Distribution: |
South America: Paraguay, lower Paraná and Uruguay River basins. |
| Diagnosis: |
Dorsal soft rays (total): 8-10; Anal soft rays: 13-14; Vertebrae: 29-30. Sides of body and unpaired fins of male with transverse rows of red spots. A whitish zone along entire caudal fin margin of male. Total caudal fin rays 27-29. Caudal fin elliptical, elongate longitudinally. Body depth about 20% SL (19.3-21.9% SL) (Ref 26657). |
| Biology: |
Not a seasonal killifish. Difficult to maintain in aquarium (Ref. 27139). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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