| Main Ref. | Ng, H.H., 2005 |
| 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 | terminal |
| Type of scales | |
| Diagnosis |
Differs from congeners in having a unique combination of the following characters: adipose fin in the form of a long, low ridge (length of adipose-fin base 37.5-44.6% SL); a smooth posterior edge of the pectoral spine; poorly developed pinnate processes along the median caudal-fin rays; caudal fin deeply forked; body depth at anus 13.1-15.0% SL; head depth 10.6-13.6% SL; eye diameter 9.4-11.8% HL; 39-40 vertebrae; and body with uniform coloration (Ref. 56932). |
| 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 | 8 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 39 - 40 |
| 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 |
| Spines 1 | |
| Soft-rays 6 - 7 | |
| Pelvics | Attributes |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |