| Main Ref. | Iwamoto, T. and J.E. McCosker, 2001 |
| Appearance refers to | |
| 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 |
Branchiostegal rays 6; anus immediately before anal fin origin, small periproct lacking light organ; head laterally compressed; snout rounded, without prominent tubercular scale at tip or lateral angles, scarcely protruding beyond large mouth, naked over anterior end and ventrally through posterior nostril; opercular opening wide, extending ventrally forward to below angle of lower jaw; suborbital region almost vertical, lacking prominent angular ridge and coarsely modified scale rows; base of pectoral broad (Ref. 42942). |
| Ease of Identification | easy to distinguish from other species. |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 46 - 47 |
| 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 | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 2 - 2 |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | pointed |
| Fins number | 1 |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 23 - 25 | |
| Pelvics | Attributes more or less normal |
| Position thoracic beneath origin of D1 | |
| Spines 0 | |
| Soft-rays 10 - 11 |