| Main Ref. | Roberts, T.R., 1999 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | fusiform / normal |
| Cross section | oval |
| 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 |
Median lobe on lower lip very short, with truncate posterior margin, not reaching beyond imaginary line between corners of mouth in adults, shorter in juveniles; absence of dark longitudinal stripe in adults; anal fin tip pointed (Ref. 43281). Mentum short; predorsal scales 7-10; transverse scale rows 4/1/2; total gill rakers on external face of first gill arch 16-22; vertebrae 39-43; juveniles (in Mekong basin) silvery, pelvic fins yellow with white lateral margin; adults without lateral stripe, predominantly yellowish-green in color (Ref. 35913). |
| Ease of Identification | likely to be confused with closely related species. |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 21 - 25 |
| Pored lateral line scales | |
| Scales in lateral series | 21 - 24 |
| 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 | 16 - 22 |
| Vertebrae | |
| preanal | |
| total | 39 - 41 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal beneath origin of D1 | |
| Spines | |
| Soft-rays |