| Main Ref. | Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Diagnosis |
Head with scales. Pseudobranches with 2 small filaments. Three gill rakers developed on 1st arch. Attains 13 cm SL. |
| 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 | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | continuous with caudal fin |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 75 - 81 |
| Adipose fin | absent |
| Attributes | pointed; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 49 - 56 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 22 - 24 | |
| Pelvics | Attributes joint to one spine only |
| Position jugular before origin of D1 | |
| Spines | |
| Soft-rays |