| Family: |
Crenuchidae (South American darters), subfamily: Characidiinae |
| Max. size: |
6.55 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: Andean tributaries of Paraná River basin in northwestern Argentina. |
| Diagnosis: |
Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 7; Vertebrae: 37. A generalized Characidium with the isthmus scaly and the breast rounded, iii external pectoral rays and i external pelvic ray, the eye only slightly oblique, the lateral line complete and the adipose fin present; zebra-like color pattern; characterized by only ii,8 dorsal rays and few (5/5) teeth on both jaws, essentially conical, with apex of the mandibulary teeth somewhat enlarged, triangular, and probably no second mandibulary row and no pterygoid teeth. 'Spines' refer to unbranched rays. |
| Biology: |
A limitroph species (Ref. 38397). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 01 November 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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