| Family: |
Characidae (Characins; tetras), subfamily: Stethaprioninae |
| Max. size: |
3.05 cm SL (male/unsexed) |
| Environment: |
pelagic; freshwater |
| Distribution: |
South America: Araguaia-Tocantins River and upper Tapajós River basin, Brazil. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 11-11; Anal soft rays: 26-30; Vertebrae: 31-33. Males with a broad, convex anal-fin lobe formed by the 12-14 anteriormost rays, which are more elongated and thickened than the remaining rays; pelvic bones elongated, protruding through the body wall in some of the largest specimens; dorsal and pelvic fins not elongated in mature males; caudal peduncle blotch asymmetric and not as dark in males; all dentary teeth cusps in a straight line and 3 teeth in the maxilla (Ref. 42938). |
| Biology: |
|
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.
