| Main Ref. | Kottelat, M. and J. Freyhof, 2007 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Diagnosed from its congeners by the possession of the following characters: lips markedly thickened laterally, groove behind upper lop interrupted in middle; upper jaw not protrusible; 80- 100 pored lateral line scales in adults; 100-110 total scales in midlateral row; scales deeply embedded in skin; skin conspicuously thickened in adults, especially during spawning season when most scales become indistinct (they are relatively distinct in juveniles and small adults outside spawning season); scales narrowly to widely spaced, covering whole body; 19-26½ scale rows between lateral line and dorsal origin (Ref. 59043). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 100 - 110 |
| Pored lateral line scales | 80 - 100 |
| Scales in lateral series | 110 |
| Scale rows above lateral line | 19 - 26 |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 8 - 12 |
| Vertebrae | |
| preanal | 21 - 23 |
| total | 38 - 41 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal | |
| Spines | |
| Soft-rays |