| Main Ref. | Chen, Y.X. and Y.F. Chen, 2007 |
| 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 | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Can be distinguished by the following characters: barbels short; two black spots on caudal peduncle; a black stripe from operculum through eye to the rostral barbel insertion; dorsal fin situated on caudal half of the body; males with second pectoral fin ray thickened and elongated, length of the second pectoral fin ray 3.3-4.6 times of SL; a semicircular Lamina circularis on the third pectoral fin ray and not located at its base in males; suborbital spine relatively thick and short with strong and medio-lateral process (Ref. 76824). Description: D iii7; A iii,5; P i+7-8; V i+6 (Ref. 76824). |
| 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 | 4 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 43 - 43 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 10 - 10 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 8 - 8 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 8 - 9 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 7 - 7 |