| Main Ref. | Woodland, D.J., S. Premcharoen and A.S. Cabanban, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Mouth protruding forward, not downward; teeth small, slender, pointed, uniserial on jaws; membrane between jaws and cheeks densely pigmented, with a black line between anteroventral margin of eye and the lower articulation when mouth closed; lateral line incomplete, ending below base of 12th to 16th dorsal fin soft ray; body rather slender, 31-45% SL; posterior limb of maxilla short, 15-23% HL; anteroventral profile of lower jaw straight or slightly convex; no large blotch on nape or below base of dorsal fin spines (Ref. 49864). Silvery upper half with irregular grey-brown blotch and marbling (Ref. 47581). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 67 - 85 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 12 - 18 |
| Scale rows below lateral line | 32 - 41 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 14 - 19 |
| on upper limb | 3 - 6 |
| total | |
| Vertebrae | |
| preanal | |
| total | 24 - 24 |
| Attributes | |
| Fins number | 1notched No |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 8 - 8 |
| Soft-rays total | 16 - 16 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 14 - 14 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 16 - 19 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |