| Main Ref. | Roberts, T.R., 1992 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| 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 | |
| Diagnosis |
Differs from its congeners in having larger (fewer) scales, scale rows between lateral line scale row and pelvic fin 3, fewer vertebrae, weak stripes, only three stripes between lateral line scale row and pelvic fin rather than four, and free posterior margin of left and right sides of lower lip widely separated at midline. Barbels relatively long. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 34 - 36 |
| Pored lateral line scales | |
| Scales in lateral series | 34 - 36 |
| Scale rows above lateral line | |
| Scale rows below lateral line | 3 - 3 |
| Scales around caudal peduncle | 15 - 15 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 37 - 37 |
| Vertebrae | |
| preanal | |
| total | 36 - 37 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | |
| Soft-rays total | 13 - 13 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 8 - 9 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 16 - 16 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 9 - 9 |