| Main Ref. | Bogutskaya, N.G. and P. Zupancic, 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Ripe males with conical nuptial tubercles on first pectoral ray, along two longest anal rays, on most lateral line scales and on head (Ref. 59043). |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Diagnosed from its congeners by the possession of the following characters: mouth terminal; body naked, no scales except for midlateral row and a few scales above lateral line behind head; 18-45 total scales in midlateral row, lateral line often interrupted posteriorly, with 16-29 pored scales, ending between pelvic fin base and almost end of caudal peduncle; caudal fin shallowly forked, with round lobes (Ref. 59043). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 18 - 45 |
| Pored lateral line scales | 16 - 29 |
| 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 | 8 - 10 |
| Vertebrae | |
| preanal | 20 - 21 |
| total | 36 - 38 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays |