| Main Ref. | Randall, J.E., 2007 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | eel-like |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is characterized with its tail much longer than head and trunk, distance from tip of snout to anus 2.9-3.1 in TL; posterior nostril close to edge of orbit; dorsal fin origin over basal half of pectoral fins; a single row of conical teeth at side of jaws, compressed fore and aft, close-set, forming a shearing edge; colour brownish gray with a black band between upper lip and eye (absent in juveniles less than about 20cm long); median fins with distinct black margin; pectoral fins often with a large blackish area; dark gray to black bars are seen at night (Ref. 86689). |
| 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 | 148 - 152 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 17 - 20 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |