| Main Ref. | Winterbottom, R. and M. Burridge, 1993 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | cycloid and ctenoid scales |
| Diagnosis |
No frenum, reduced scalation, lacking scales on the breast and dorsally from the top of the pectoral fin base to end of the second dorsal fin base, the opercular and pectoral bar joining at a level with the eye, with the pectoral bar 1.5-2 times wider than the opercular bar, the first to fourth dorsal spines elongate, and eight dorsal-rays. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| 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 | 11 - 11 |
| on upper limb | 3 - 4 |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 7 - 7 |
| Soft-rays total | 8 - 8 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 7 - 7 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 18 - 19 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |