| Main Ref. | Knapp, L.W., 1999 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Rear edge of maxilla ends below anterior nostril, well in front of eye. Preopercular spine single, long, bayonet-like, reaching to or past rear opercular margin, accessory spine lacking. Caudal fin emarginate, upper lobe longest, bearing an elongate filament. Dorsal and anal fin rays usually 13. Lateral line scales often about 94. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 83 - 107 |
| 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 | |
| on upper limb | |
| total | 15 - 21 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 6 - 6 |
| Soft-rays total | 12 - 14 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 12 - 14 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 19 - 22 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |