| Main Ref. | Prokofiev, A.M., 2004 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Distinguished from its congeners by the following characters: distance between anterior and posterior nares exceeds diameter of posterior ones, upper lip with deep median incision, sometimes completely dividing it into two parts; lower lip has extensive lateral expansions; weakly developed processus dentiformis always present; lateral line complete; manubrium well-developed; free air-bladder portion reduced or absent; vertebrae 42-46; anterior fontanelle or neurocranium present; parietal and pteroticum in contact; basibranchial-4 and infrapharyngobranchials-3 absent (Ref. 57754). |
| 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 | |
| Vertebrae | |
| preanal | |
| total | 42 - 46 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 7 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes |
| Spines 1 | |
| Soft-rays 12 - 15 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 7 - 8 |