| Main Ref. | Anderson, M.E., 1990 |
| 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 | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Head moderately large, robust, ovoid, dorsal profile strongly flattened. Gill slit in large specimens extends to lower edge of pectoral fin, slightly above in small specimens. Yellowish with brown mottling in color. |
| 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 | 1 - 2 |
| on upper limb | 7 - 10 |
| total | 8 - 12 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 85 - 91 |
| Adipose fin |
| Attributes | pointed |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 69 - 75 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 15 - 17 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |