| Main Ref. | Chen, J., T. Xu, S. Fang, S. Song and X. Wang, 1987 |
| 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 | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Body elongated, head slightly compressed, snout slightly shorter than the postorbital part of head, eye large, mouth inferior, lips papillose. Barbels 6, maxillary ones longest. Caudal emarginate, lateral line complete, body naked without any scales. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 37 - 37 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 7 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | 2 - 2 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 11 - 12 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 7 - 7 |