| Main Ref. | Ng, H.H., 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | circular |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Have well developed processes along the median caudal-fin rays. Easily distinguished from Indian congeners in having a unique combination of the following characters: length of adipose-fin base 28.3% SL, dorsal to adipose distance 15.8% SL, head width 13.6% SL, body depth at anus 11.5% SL, 37 vertebrae, and a non-projecting lower jaw (Ref. 41275). Description: Anal fin with vi,8 rays; pelvic fin with i,5 (Ref. 41275). |
| 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 | 7 - 7 |
| Vertebrae | |
| preanal | |
| total | 37 - 37 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 1 - 1 |
| Soft-rays total | 6 - 6 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| 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 | |
| Soft-rays 6 - 6 |