| Family: |
Characidae (Characins; tetras), subfamily: Stethaprioninae |
| Max. size: |
7.26 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: endemic to Argentina (Ref. 56308). |
| Diagnosis: |
Dorsal soft rays (total): 13-13; Vertebrae: 35-35. Differs from other species of the genus by the combination of the following characters: long pectoral fins always surpassing pelvic-fin origin; anal fin origin at level of a vertical through fifth or sixth dorsal fin rays; one supraopercular and two humeral spots on flanks; two or three maxillary teeth; 35-38 perforated scales in the lateral series; and 24-27 branched anal fin rays. Distinguishes further from most of its congeners by having deep body (36.9-42.6% SL); large eye (10.2-11.9% SL); maxillary length, 100.0-136.6% interorbital width); and presence of 24-25 gill rakers on first branchial arch (Ref. 55798).
Description: dorsal-fin rays iii,9; anal-fin rays iv-vi,24-27; pectoral-fin rays i,12-14; pelvic-fin rays i,7 (Ref. 55798). |
| Biology: |
|
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 01 November 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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