| Characidae (Characins; tetras), subfamily: Stethaprioninae |
| 9.09 cm SL (male/unsexed) |
|
benthopelagic; freshwater |
| South America: upper rio das Antas drainage, laguna dos Patos system,
and upper rio Pelotas basin, rio Uruguay drainage in southern Brazil. |
|
Dorsal soft rays (total): 10-11; Vertebrae: 35-38. This species is distinguished from its congeners by the combination of the following characters: body depth 27.1-34.0% of standard length; interorbital width 22.2-28.7% of head length; head depth 72.9-97.0% of HL; 15-20 branched rays on anal fin; 37-40 lateral line scales; one or two maxillary teeth; two humeral spots; and absence of bony hooks in the anal fin of males (Ref. 94017). |
| Occurs in streams and rivers, inhabiting lotic shallow areas (up to 1 m deep) with clear water and bottom composed of gravel and stones, at altitudes from 800 to 1200 m above sea level. Syntopic with Astyanax brachypterygium, ustraloheros sp., Cnesterodon brevirostratus, Eurycheilichthys sp., Jenynsia eirmostigma, Pareiorhaphis hystrix, Rhamdia sp., and Trichomycterus tropeiro (Ref. 94017). |
|
Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
|
| harmless |
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