| Main Ref. | Williams, J.T. and J.C. Howe, 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
With 1-2 symphysial mandibular sensory pores, second dorsal fin spines XIV, third dorsal fin segmented rays 11, last ribs on vertebral centrum 10, vertebrae 10+28 or 29=38 or 39, pored lateral line scales typically 25 to 27, nape scales absent, small isolated patch of scales on either side of nape, each patch surrounded by naked area. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 25 - 29 |
| 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 | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 3 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 17 - 18 |
| Soft-rays total | 12 - 13 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 20 - 22 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 15 - 16 | |
| Pelvics | Attributes more or less normal |
| Position jugular | |
| Spines 1 | |
| Soft-rays 2 - 2 |