| Main Ref. | García-Alzate, C.A., C. Román-Valencia and D.C. Taphorn, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Males possess 7-10 pairs of spines from fourth unbranched anal-fin ray to sixth branched ray and 4 or 5 pairs of spines on first three branched pelvic-fin rays (Ref. 79635). |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnosis |
Distinguished from other species of the genus in having the following characters: inner premaxilla row with 4 teeth; lateral line with 7 pored scales, except in Hyphessobrycon compressus with 7-9; dentary with 6 teeth; maxilla with 2 foramina; mouth subterminal; long bony laminar prolongation on postcleithrum 3 that is 3/4 of the length of that bone; and a continuous dark lateral band from posterior edge of opercle through central caudal-fin rays, except in Hyphessobrycon sovichthys (Ref. 79635). Description: D ii,9; A iii,21-22; P ii,10-11; V ii,7 (Ref. 79635). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 30 - 31 |
| Pored lateral line scales | 7 - 9 |
| Scales in lateral series | |
| Scale rows above lateral line | 5 - 5 |
| Scale rows below lateral line | 4 - 4 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 8 - 8 |
| on upper limb | 12 - 12 |
| total | 20 - 20 |
| Vertebrae | |
| preanal | |
| total | 32 - 32 |
| Attributes | no striking attributes |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 11 - 11 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 24 - 25 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes more or less normal |
| Position abdominal | |
| Spines | |
| Soft-rays 9 - 9 |