| Main Ref. | Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986 |
| 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 | |
| Diagnosis |
Pelvic fins small. Body brownish dorsally, paler ventrally with five triangular blotches on each side of body. Dorsal fin brownish and anal fin pale brown. Pectoral and pelvic fins yellowish white (Ref. 27363). |
| Ease of Identification |
| Lateral Lines | 1 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 | 10 - 10 |
| Vertebrae | |
| preanal | |
| total | 121 - 121 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 108 - 108 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 99 - 99 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 15 - 15 | |
| Pelvics | Attributes other (see diagnosis) |
| Position thoracic before origin of D1 | |
| Spines 0 | |
| Soft-rays 13 - 13 |