| Main Ref. | Prokofiev, A.M., 2010 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Males with small agglomerations of a small number of rounded tubercles separated from each other located under the anterior-ventral margin of the orbit. All rays of the pectoral fin are of the same width and not thickened. No sexual dimorphism based on morphometric characters. |
| 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 | scales embedded or partly/completely absent |
| Diagnosis |
Can be diagnosed by the following characters: trunk teretial; head conical, without developed rostrum; pelvic fins located anteriorly from the vertical through the origin of the dorsal fin; approximately ten gill rakers on the first branchial arch; lateral line incomplete; black longitudinal band along the middle part of the body; small lobes of the bony capsule of the swim bladder, the lobes connected by the moderately developing manubrium; and lacking epural (Ref. 85843). |
| 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 | 6 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 10 |
| Vertebrae | |
| preanal | |
| total | 39 - 39 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 9 - 10 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 7 - 7 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 9 - 11 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 6 - 7 |