| Main Ref. | Román-Valencia, C. and D.K. Arcila-Mesa, 2009 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Males possess small hooks on the anal, pelvic, pectoral and posterior portions of dorsal fin rays. These are situated from the fourth or fifth ray until the last branched ray of anal fin, with six to eight hooks on each ray; on all rays of pelvic, dorsal and pectoral fins, with five to six on each pelvic-fin ray, six to seven on each pectoral-fin ray and four to five on each ray of dorsal fin (Ref. 83513). |
| 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 |
Diagnosed from other members of the genus in possessing nine proximal pterygiophores (including the terminal piece) on dorsal fin. Differs further from Hemibrycon species from the upper and middle Cauca rivers by having 43-46 pored lateral-line scales (Ref. 83513). Description: Dorsal fin ii,8; anal fin iii-iv,23-28; pectoral fin ii,10-11; pelvic fin ii,6 (Ref. 83513). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 43 - 46 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 6 - 7 |
| Scale rows below lateral line | 6 - 7 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 39 - 40 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 10 - 10 |
| Adipose fin |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 8 - 8 |