| Main Ref. | Freyhof, J. and D.V. Serov, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | always different morphology between mature adults |
| Different colors | |
| Remarks | Males show a suborbital flap and their first branched ray is slightly thickened. |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | scales embedded or partly/completely absent |
| Diagnosis |
2-3 small black spots on last simple dorsal-fin ray; dark blotch at base of simple and first two branched dorsal-fin rays; head spotted; color pattern with 8-13 dark blotches along lateral line, reaching venter in most specimens; no conspicuous black stripe along lateral line or along mid-dorsal longitudinal line; caudal peduncle elongated, 1.9-2.4 times longer than deep; no acuminate scales on caudal peduncle; distinct median incision in upper lip. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 90 - 110 |
| 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 | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 14 - 14 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 12 | |
| Pelvics | Attributes more or less normal |
| Position abdominal beneath origin of D1 | |
| Spines 0 | |
| Soft-rays 8 - 8 |