| Main Ref. | Ng, H.H. and C.J. Ferraris Jr., 2000 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | striking barbels(s) |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Has unique combination of the following characters: length of caudal peduncle 20.2% SL, length of adipose-fin base 30.8% SL, eye diameter 23.1% HL, interorbital distance 28.6% HL, 21 gill rakers, 50 vertebrae (24 postanal) and a variegated brown body with the sensory pores not readily visible (Ref. 41209). |
| 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 | 21 - 21 |
| Vertebrae | |
| preanal | |
| total | 50 - 50 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 11 - 11 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 10 - 10 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |