| Main Ref. | Karmovskaya, E.S., 2004 |
| 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 |
Diagnosis: Fins are light; ray bases are dark. Canal of second lateral line pore elevated, while pores above the pectoral fin are not. Vertebrae 139-140; trunk vertebrae 41-42. Lateral line pores to anus 34-35. Supraorbital canal 6; suborbital canal 7; preoperculomandibular canal 10; occipital commissure 3. Swim bladder do not reach the anus. Gastrointestinal tract light (Ref. 54804). |
| 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 | 139 - 140 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 239 - 239 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 159 - 159 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 11 - 11 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |