| Family: |
Crenuchidae (South American darters), subfamily: Characidiinae |
| Max. size: |
5.7 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: coastal basins of southern Brazil at western tributaries of Laguna dos Patos basin. |
| Diagnosis: |
Dorsal soft rays (total): 11-12; Anal soft rays: 8-9. Dark spots on dorsal fin do not form a continuous band across rays; anal fin of males with small spots, without larger blotches on the anterior portion. Fourth or fifth ray of pectoral fin longest, not reaching or just reaching to pelvic-fin origin. Third fin ray of pelvic fin longest, reaching area between anal opening and anal fin origin or reaching anal fin origin (Ref. 27672). |
| Biology: |
Most specimens examined were collected in small rivers or creeks with slow to moderate water current and mud, sand, and loose stones on the bottom (Ref. 27672). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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