| 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 | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | superior |
| Type of scales | |
| Diagnosis |
This species differs from other members of the genus by having dark spots along the upper and lower edges of its body, extending to basal part of the dorsal and anal fins, posterior part of the caudal fin and a dark band, upper limb of gill arch with gill rakers. This genus is characterized by having eyes separated by a bony ridge of very narrow space anteriorly and a ridge posteriorly, a small mouth about equal to eye diameter, ctenoid scales on ocular side armed with a row of hairlike spines. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 53 - 61 |
| 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 | 4 - 6 |
| on upper limb | 2 - 5 |
| total | 6 - 11 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | extending over most of the back length |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 81 - 93 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 62 - 71 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes more or less normal |
| Position jugular behind origin of D1 | |
| Spines | |
| Soft-rays |