| Main Ref. | Sasaki, K. and K. Amaoka, 1989 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Swim bladder hammer-shaped with a series of arborescent appendages along its sides. Lower jaw with a row of enlarged teeth. Jaws short. Last pleural rib on the 11th vertebra. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 49 - 50 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 7 - 11 |
| Scale rows below lateral line | 13 - 14 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 10 - 13 |
| on upper limb | 5 - 6 |
| total | |
| Vertebrae | |
| preanal | 10 - 11 |
| total | 25 - 25 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 10 - 10 |
| Soft-rays total | 28 - 31 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 18 - 20 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |