| Main Ref. | Mandritsa, S.A. and S.I. Usachev, 1990 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Second dorsal spine elongate, the length of which divided by third 1.6-1.7. Lower margin of the second infraorbital bone with a small spine. A small spine usually found on the lateral face of lachrymal bone above base of second long spine (Ref. 35987). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 16 - 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 | 9 - 16 |
| on upper limb | 2 - 5 |
| total | 12 - 21 |
| Vertebrae | |
| preanal | |
| total | 28 - 30 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 16 - 17 |
| Soft-rays total | 7 - 8 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 5 - 6 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines | |
| Soft-rays |