| Main Ref. | Kottelat, M., 1988 |
| 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 |
Distinguished from other species by the combination of the following characters: head length 19-22% SL; caudal peduncle 3.0-4.2 times longer than deep; head width at nares 14.9-17.1% SL, 77-87% HL, maximum head width 86-105% HL; interorbital width 41-49% HL; length of caudal peduncle 16.7-21.4% SL; preanal length 72.0-78.6% SL (Ref. 37826). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 65 - 69 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 8 - 9 |
| 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 | 11 - 11 |
| Adipose fin |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 6 - 8 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 19 - 22 | |
| Pelvics | Attributes |
| Position abdominal | |
| Spines | |
| Soft-rays 11 - 12 |