| Main Ref. | Jin, X., 1991 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | always different morphology between mature adults |
| Different colors | always different colors between mature adults |
| Remarks | Males are larger than females, wit much deeper body and darker and brighter coloration. Males show bluish grey breeding coloration and few, very large nuptial tubercles on snout (Ref. 59043). |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | superior |
| Type of scales | |
| Diagnosis |
Mouth superior and transverse; 6 branched anal rays; barbels absent; distal margin of dorsal convex; large adults with sexually dimorphic coloration (Ref. 43281). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 32 - 38 |
| Pored lateral line scales | |
| Scales in lateral series | 33 - 38 |
| Scale rows above lateral line | 5 - 5.5 |
| Scale rows below lateral line | 3 - 4 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 6 - 10 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1notched No |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 7 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 6 - 6 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 11 - 14 | |
| Pelvics | Attributes more or less normal |
| Position abdominal beneath origin of D1 | |
| Spines 1 | |
| Soft-rays 7 - 7 |