| Main Ref. | Watson, R.E., 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | fusiform / normal |
| 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 |
| Type of scales | |
| Diagnosis |
Small and elegant, vertical trunk bars very faint in both sexes; first dorsal fin in males with short bars on membrane that do not appear as scribbles; second dorsal fin similarly marked; first dorsal fin in females with midlateral band and dusky margin, second dorsal with dusky spots forming two rows on membrane; predorsal midline with 2 to 18 scales, usually fully scaled, but may be with naked patches; belly anteriorly naked close to pelvic base; breast naked. Smallest species of the genus known. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 47 - 49 |
| 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 | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 7 - 7 |
| Soft-rays total | 11 - 11 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | 1 - 1 |
| Soft-rays total | 11 - 11 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 15 - 15 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |