| Main Ref. | Kottelat, M., 1990 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
With unique bulky appearance, with broken dorsal profile with a shallow hump on the nape. Distinguished from other species by having 1/2 6 1/2 scales in a transverse row (Ref 7304). Description: Dorsal rays: D1 IV-VI, D2 I,8-91/2, branched caudal rays 8+7, scales in a longitudinal row 31-34. Scales in a transverse row 1/2 6 1/2. Predorsal scales 11-13. Preopercular scales 3-4. Opercular scales 4-8. (Ref 7304) |
| 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 | 17 - 20 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 8 - 10 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 10 - 13 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 13 - 14 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |