| Main Ref. | Trewavas, E., 1983 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | genital papilla with tassels (m) |
| Different appearance | different morphology during breeding season only |
| Different colors | different colors during breeding season only |
| Remarks | Male bluish, with tassel.(Ref.4967) |
| Striking features | none |
| Body shape lateral | fusiform / normal |
| 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 | terminal |
| Diagnosis |
Margin of the dorsal fin orange in females and non-breeding males; intense orange to scarlet in breeding males. Profile convex immediately before the eye. Usually 2 rows of scales on cheek. Caudal not heavily scaled. Preserved specimens often show 2-3 vague dark mid-lateral blotches and one on top of the peduncle. Body color grey-green (Ref.4967). |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 31 - 33 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 3.5 - 4.5 |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | absent |
| Gill rakers | |
| on lower limb | 17 - 23 |
| on upper limb | 2 - 5 |
| total | 19 - 28 |
| Vertebrae | |
| preanal | |
| total | 29 - 31 |
| Attributes | extending over most of the back length |
| Fins number | 1 |
| Finlets No. | Dorsal 0 |
| Ventral 0 | |
| Spines total | 16 - 18 |
| Soft-rays total | 10 - 12 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 9 - 11 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines | |
| Soft-rays |