| Characidae (Characins; tetras), subfamily: Stevardiinae |
| 7.79 cm SL (male/unsexed); 10.17 cm SL (female) |
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benthopelagic; freshwater |
| South America: widespread in the upper portions of río Marañon, río Ucayali, and headwater rivers of río Madeira-Mamoré drainages in Bolivia, Brazil and Peru. |
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Dorsal soft rays (total): 8-8; Anal soft rays: 25-30; Vertebrae: 38-40. This species is distinguished from its congeners, except H. helleri, by the size of humeral spot (over 7-9 vs. 3-6 horizontal series of scales); differs from H. helleri by the number of branched anal-fin rays (25-30 vs. 19-23), and by the number of scales along anal-fin base scale sheath (13-28 vs. 6-12); differs from H. divisorensis, by the absence of a wide black asymmetrical spot covering base of caudal-fin rays and black band in the lower half of the caudal peduncle (vs. presence), and by the number of scale rows above and below lateral line (7-9 and 5-7 vs. 6-7 and 4-5, respectively) (Ref. 85819). |
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Least Concern (LC); Date assessed: 04 March 2021 Ref. (130435)
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| harmless |
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