| Main Ref. | López-Fernández, H. and K.O. Winemiller, 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Possesses a humeral spot shaped as an oval or inverted teardrop, occupying not less than a quarter of the height of the body; caudal peduncle with a black spot covering between one third and almost the totality of its depth (Ref. 52916). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 80 - 105 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 15 - 24 |
| Scale rows below lateral line | 8 - 14 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 2 |
| Soft-rays total | 9 - 9 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | 3 - 5 |
| Soft-rays total | 21 - 27 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 14 - 18 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines 1 | |
| Soft-rays 6 - 8 |