| Main Ref. | Zarske, A. and J. Géry, 2002 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | males alike females |
| Different colors | males alike females |
| Remarks |
| Striking features | none |
| Body shape lateral | fusiform / normal |
| Cross section | compressed |
| 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 | superior |
| Type of scales | |
| Diagnosis |
Spines are actually undivided soft rays. |
| Ease of Identification | easy to distinguish from other species. |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 9 - 13 |
| Scales in lateral series | 33 |
| Scale rows above lateral line | 7 |
| Scale rows below lateral line | 6.5 |
| Scales around caudal peduncle | 14 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 5 - 7 |
| on upper limb | 10 - 10 |
| total | 15 - 17 |
| Vertebrae | |
| preanal | |
| total | 34 - 34 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 2 - 2 |
| Soft-rays total | 9 - 9 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 23 - 24 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 11 - 11 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 2 | |
| Soft-rays 7 - 7 |