| Characidae (Characins; tetras), subfamily: Stethaprioninae |
| 4.43 cm SL (male/unsexed) |
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benthopelagic; freshwater |
| South America: Bermejo River basin in Argentina. |
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Distinguished by a combination of the following characters: somewhat rhomboidal body; 24-29 branched anal fin rays; 1-4 maxillary teeth; long pectoral fins (23.2-26.6% SL) always reaching one third of pelvic fin rays; long pelvic fins (17.6-22.0 % SL) always surpassing anal fin origin; anal fin base long (32.3-36.7% SL); 26-27 gillrakers on first branchial arch; lateral band extremely narrow; one large vertically elongated humeral spot and a second one very faint; relatively shallow caudal peduncle (10.0-11.4% SL); fifth tooth of inner premaxillary series very small and scarcely posterior to main series; origin of anal fin below dorsal fin (Ref. 55782). |
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Endangered (EN); Date assessed: 14 December 2020 (B1ab(iii)) Ref. (130435)
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| harmless |
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