| Main Ref. | Ng, H.H. and P.K.L. Ng, 2001 |
| 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 | |
| Diagnosis |
Generally dark brown with many irregular light brown patches. Long nasal barbels 6.5-15.6%HL. Lateral margins of head, steeply sloping; convex snout when viewed dorsally. Adipose fin with angular posterior margin. Pectoral spine with serrations on the posterior edge (Ref. 37794). |
| 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 | 4 - 6 |
| Vertebrae | |
| preanal | |
| total | 35 - 37 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 1 - 1 |
| Soft-rays total | 4 - 5 |
| Adipose fin | present |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 8 - 10 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 6 - 8 | |
| Pelvics | Attributes |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |