| Main Ref. | |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | eel-like |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is characterized by the following features: D 111-133 (usually 116-123); A 94-103; pectoral fin rays 18 or 19 (rarely 20 or 21); precaudal vertebrae 15-17 (usually 16), caudal vertebrae 49-53 (usually 50-52), total vertebrae 65-69 (usually 66-68); lower arm of first gill arch with 5 or 6 developed rakers; rounded head profile with mouth distinctly inferior; dorsal and ventral profiles of body nearly parallel for much of its length; unmarked body; short and unequal pelvic-fin rays, longer reaching to point directly under anterior edge of opercle (Ref. 81834). |
| 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 | 15 - 17 |
| total | 65 - 69 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 111 - 133 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 94 - 103 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 18 - 19 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |