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Melanorivulus punctatus (Boulenger, 1895) |
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photo by
Vermeulen, F. |
| 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: | Least Concern (LC); Date assessed: 14 December 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||