| Main Ref. | Watanabe, K., C.-G. Zhang and Y.-H. Zhao, 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Body with dark blotches on the sides, especially in small individuals (< 5cm SL). Anterior edge of pectoral and dorsal spines without serrations; posterior edge of dorsal spine with retrorse teeth. Caudal fin moderately forked with rounded lobes. Adductor mandibulae extending onto skull roof; the latter covered with thick skin. Maxillary barbels moderately short, not extending to origin of pectoral fin. |
| 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 - 40 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 16 - 19 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 7 - 7 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines 0 | |
| Soft-rays 6 - 6 |