| 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 | other (see remarks) |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Body elongated, cylindrical, snout bluntly pointed, peduncle of caudal compressed; snout subequal to postorbital part of head; barbels 6. Scales minute, invisible, only present on peduncle of caudal. Air bladder entirely enclosed in bony capsule. Without a free portion in abdominal cavity. |
| 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 - 38 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 7 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 2 - 2 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 10 - 11 | |
| Pelvics | Attributes more or less normal |
| Position | |
| Spines 1 | |
| Soft-rays 6 - 7 |