| Main Ref. | Tan, H.H. and M. Kottelat, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Differs from other congeners by the following unique combination of features: presence of 1 bar; presence of distinct black mark just anterior to anus, laterally and ventrally visible when viewed; simple dorsal-fin rays black in color, black pigment patch in some specimens reaching the first branched rays, other rays hyaline or in some specimens with diffused chromatophores on last dorsal-fin ray; last simple dorsal-fin ray with 25-31 serrae; presence of a faint black margrin along uppermost pectoral-fin ray; bar 5 equal to 1-1½ lateral row scales in width; mouth terminal, lower jaw wide, anteriorly rounded (Ref. 78741). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 19 - 21 |
| 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 | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 11 - 12 |
| Adipose fin | absent |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 8 - 9 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 9 - 10 |