| Main Ref. | Yang, L.-P. and W. Zhou, 2011 |
| 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 | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Can be diagnosed by the possession of the following characters: dorsal fin with 64-67 rays; anal fin with 63-66 rays and caudal fin with 18 rays; dorsal, anal and caudal fins almost entirely joined, but with distinct notches among dorsal-fin, anal-fin and caudal-fin outline; body sides and back dark brown with 4-5 zigzag longitudinal lines and forming a network from front of anal-fin origin to caudal-fin base; presence of a longitudinal brown line from the isthmus to anus on the abdomen or sometimes the line becoming network (Ref. 86860). |
| 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 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 36 - 37 |
| Soft-rays total | 64 - 67 |
| Adipose fin | absent |
| Attributes | other (see remark) |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 63 - 66 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes suppressed/absent |
| Position absent | |
| Spines | |
| Soft-rays |