| Main Ref. | Roberts, C.D. and A.L. Stewart, 1997 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | scales embedded or partly/completely absent |
| Diagnosis |
Body and head metallic silver; darker dorsally. Pupil silvery with an elongated, dusky blotch above and below the iris. A dark blotch, equal in size to orbit length on the operculum. |
| Ease of Identification |
| Lateral Lines | 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 | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 4 - 4 |
| Ventral 4 - 4 | |
| Spines total | 20 - 20 |
| Soft-rays total | 13 - 13 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 12 - 12 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 13 - 14 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |