| Family: |
Crenuchidae (South American darters), subfamily: Characidiinae |
| Max. size: |
6.1 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: Brazil, near Rio de Janeiro (type locality). |
| Diagnosis: |
Dorsal spines (total): 2-2; Dorsal soft rays (total): 9-9; Anal spines: 2-2; Anal soft rays: 6-6; Vertebrae: 36. Flat, scale-less breast, developed pectorals, slightly oblique eyes, only seen from above, and narrow interorbital; 3 unbranched pectoral rays and 1 unbranched pelvic ray; lateral line complete, adipose fin present, cheeks not covered, mouth with few, unicuspid teeth, numbering only 4 on the upper jaw. A rather broad, brown lateral stripe from snout to end of peduncle just above lateral line. 'Spines' are unbranched rays. |
| Biology: |
A small, bottom living species. Not collected since more than 100 years, and thus it may well be endangered, if not extinct (Ref. 38397). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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