| Main Ref. | Sonnenberg, R., 2007 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | always different morphology between mature adults |
| Different colors | always different colors between mature adults |
| Remarks | There is a strong sexual dimorphism, adult males are more colourful and usually larger than females and have larger fins with extended rays (Ref. 74419). |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Scales are cycloid; body and head entirely scaled, except ventral surface of head; no scales on dorsal- and anal-fin base, 2-3 on caudal-fin base (Ref. 74419). Scales on mid-longitudinal series 25-27, transverse series of scales above pelvic fin 8-9 (Ref. 74419). Open frontal neuromast system with two separate grooves, preopercular canal with 6 pores (Ref. 74419). Several rows of hooked and unicuspid teeth on upper and lower jaws (Ref. 74419). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 25 - 27 |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 12 - 12 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 11 - 12 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 15 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays |