| Main Ref. | Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | always different morphology between mature adults |
| Different colors | |
| Remarks |
| Striking features | striking shape of body |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Snout pointed, with 10 or more barbels on its ventral surface. No well-developed strong keel on side of the head. Branchial membranes united to isthmus. In addition to these characteristics, it differs from other agonids in having 11 or more dorsal fin rays, and 13 or more anal fin rays. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 39 - 44 |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | 10 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 8 - 10 |
| Soft-rays total | 12 - 14 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 8 - 12 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 16 - 19 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines | |
| Soft-rays |