| Main Ref. | Kottelat, M. and J. Freyhof, 2007 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Diagnosed from congeners by the possession of the following characters: large eye, diameter 26-29% HL, equal to or larger than snout length; conical snout, not stout, terminal mouth; thickened skin especially in adults during spawning season; scales distinct or not, covering whole body, often narrowly to widely separated in particular in pre-pelvic area; lateral line interrupted or not, usually ending on caudal peduncle; and pored lateral line scales usually 54-70 (Ref. 59043). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 54 - 70 |
| Pored lateral line scales | 54 - 70 |
| Scales in lateral series | |
| 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 | 8 - 10 |
| Vertebrae | |
| preanal | 20 - 22 |
| total | 38 - 41 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal | |
| Spines | |
| Soft-rays |