| Main Ref. | Keith, P. and G. Marquet, 2006 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Differs from other congeners by the following characters: broad oblique blackish bar extending from below eye to lower edge of preopercular margin; dorsal and anal fins almost always with 11 rays; pectoral fin always with 15 rays; jaw length sexually dimorphic; spines of first dorsal fin usually same height as second fin, spines with no filaments; species sexually dichromatic; lack of a short transverse row of sensory papillae in the lower part of the preopercular; scales in lateral series 48-52; breast scaled; important reddish longitudinal band on outer margin on first and second dorsal fins on males and females; second dorsal, caudal and anal fin length in male, preanal length in male, jaw length in female (Ref. 78217). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 48 - 52 |
| 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 | 26 - 26 |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 7 - 7 |
| Soft-rays total | 11 - 11 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 1 - 1 |
| Soft-rays total | 11 - 11 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 15 - 15 | |
| Pelvics | Attributes part of sucker-disc |
| Position jugular before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |