| Main Ref. | Allen, G.R., 1985 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | males alike females |
| Different colors | males alike females |
| Remarks |
| Striking features | none |
| Body shape lateral | 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 |
Interorbital space flat. Lower jaw slightly protruding. Bases of dorsal and anal fins without scales, their last soft rays extended into short filaments. Pectoral fins long, reaching level of anus. Scale rows on back parallel to lateral line. Body is silvery with lavender hue; the top of the head with dark spots; margin of the dorsal fin orange; the caudal fin purplish with the inner margin of the fork pale. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 70 - 74 |
| 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 | 19 - 22 |
| on upper limb | 9 - 12 |
| total | 28 - 33 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | last fin rays very elongated |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 10 - 10 |
| Soft-rays total | 11 - 11 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 8 - 8 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 16 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines | |
| Soft-rays |