| Main Ref. | Parin, N.V., 1995 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Distance from snout to anus 1.7-1.8 times in SL; eye diameter 4.9-5.7 times in HL; upper jaw 2.0-2.15 times in HL (Ref. 41692). |
| 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 | 106 - 108 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 44 - 46 |
| Soft-rays total | 54 - 59 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | 2 - 2 |
| Soft-rays total | 46 - 49 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 12 - 12 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |