| Main Ref. | Román-Valencia, C. and D.K. Arcila-Mesa, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | clearly convex |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Differs from all other species of the genus by the number of cusps on the row of internal premaxilla teeth (3-5 vs. 5-7 except Hemibrycon surinamensis), the number of predorsal scales (10-12 vs.12-17, except Hemibrycon jelskii and Hemibrycon orcesi ), and by postcleithrum 1 much closer to postcleithrum 2 (vs. postcleithrum 1 and 2 clearly separated). Description: D ii-iii,7-8; A iii-iv,24-28; P ii,9-11; V ii,6 (Ref. 77138). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 40 - 43 |
| Pored lateral line scales | 40 - 43 |
| Scales in lateral series | |
| Scale rows above lateral line | 5 - 8 |
| Scale rows below lateral line | 4 - 6 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 40 - 41 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes |
| Position abdominal | |
| Spines | |
| Soft-rays 8 - 8 |