| Main Ref. | Grove, J.S. and R.J. Lavenberg, 1997 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | eel-like |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | more or less normal |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | scales embedded or partly/completely absent |
| Diagnosis |
Moderately elongate, small species with short, bluntly-rounded snout and a dark margin on the dorsal fin anteriorly. Preanal lateral line pores 19-27, predorsal length 20-26% TL (Ref. 50529). Caudal fin broadly rounded (Ref. 50529). |
| 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 | 0 - 0 |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | 42 - 44 |
| total | 118 - 122 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | other (see remark); confluent |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 16 - 18 | |
| Pelvics | Attributes |
| Position | |
| Spines 0 | |
| Soft-rays 0 - 0 |