| Main Ref. | Prokofiev, A.M. and A.M. Orlov, 2022 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species of the subgenus Biradiostomias is distinguished by the following characters: a leaf-like terminal extension of the chin barbel, the distal third with a single oval bulb with a small papillary terminal appendage and with a patch of pigmentation at the base; ventral edge of the bulb is laterally compressed, sharp; inner trunk of the barbel with loose melanophoric pigmentation and disappearing at the border with terminal expansion; total vertebrae 68; absence of formed dorsal subcutaneous spots (Ref. 126203). |
| 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 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 25 - 25 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 35 - 35 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 2 - 2 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 7 - 7 |