| Main Ref. | Zanata, A.M. and P. Camelier, 2010 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Some males have the lateral stripe broader, the blotch on caudal peduncle with inconspicuous border, and a large number of median caudal- fin rays darkened (up to 12) while females have a narrower lateral stripe, a more conspicuous rounded caudal blotch and dark pigmentation of caudal fin usually restricted to six or seven median rays. However, these dimorphic traits are not conspicuous in the majority of specimens examined (Ref. 85847). |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | cycloid scales |
| Diagnosis |
Distinguished from other members of the genus Hyphessobrycon by having low body depth, a broad black stripe along lateral of body extending weakly through median caudal-fin rays, absence of humeral spot and orange- to reddish life coloration (Ref. 85847). Description: Dorsal-fin rays ii,7,ii or ii,8,i; anal-fin rays iii,15(3), iii,16, iii,17, iv,14, iv,15, iv,16, or iv,17; pectoral-fin rays i, 9, 10; pelvic-fin rays i, 6 or 7 (Ref. 85847). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 5 - 9 |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 13 - 14 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 32 - 35 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 11 - 11 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 18 - 21 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 10 - 12 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 7 - 8 |