| Main Ref. | Norris, S.M., J.M. Fischer and W.L. Minckley, 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Darkly pigmented (mottled flanks) than congeners in the adjacent basins. Caudal fin abbreviate, nearly always shorter than the caudal peduncle (Ref. 49525). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 60 - 75 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 14 - 18 |
| Scale rows below lateral line | 9 - 12 |
| Scales around caudal peduncle | 31 - 36 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 8 - 9 |
| Adipose fin |
| Attributes | other (see remark); more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 7 - 9 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 15 - 16 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 8 - 9 |