| Main Ref. | Su, R.F., J.X. Yang and G.H. Gui, 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Air bladder very large, the anterior chamber of air bladder oval-shaped, the posterior one outsized (3.5-4.5 times length of anterior one); ventral fin extending over anus; snout long (snout length 43.6%-48.8% of HL); maxillary barbels reaching midpoint of eyes (its length 71.1%-125% of eye diameter); horny tubercles concentrated on snout tip; center lobe of lower lip narrow (width 50%-61.5% of mouth width) (Ref. 50421). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 39 - 42 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 5 - 5 |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 17 - 18 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 3 - 3 |
| Soft-rays total | 8 - 8 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 13 - 15 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines 1 | |
| Soft-rays 7 - 8 |