| Main Ref. | Ng, H.H. and W.J. Rainboth, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Genital papilla of male immediately behind anus in a depression which terminates posteriorly with a straight transverse wall; small in females, located in a U-shaped depression immediately posterior to anus. |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | flattened |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Lower lip lacking a median notch and having a posterior margin with laciniate projections. Caudal fin lunate with elongate, strap-like lower principal ray in mature males. Posterior base of adipose fin confluent with upper principal caudal rays. Maxillary barbel with rounded tip and entire margin. Head and body moderately broad and very strongly depressed (Ref. 44353). |
| 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 | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 6 - 6 |
| Adipose fin | present |
| Attributes | other (see remark) |
| Fins number | |
| Spines total | |
| Soft-rays total | 3 - 3 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 17 - 20 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 5 - 5 |