| Main Ref. | Nielsen, J.G., 1997 |
| 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 | |
| Type of scales | |
| Diagnosis |
Body depth 9.5 or less in SL; head length about 1/2 preanal length; branchiostegal rays 8-9; no prominent spines on top or side of head; lower pectoral rays free and stronger than upper ones; caudal fin rays 6; precaudal vertebrae 17-19 (Ref. 34024). |
| 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 | |
| on upper limb | |
| total | 13 - 14 |
| Vertebrae | |
| preanal | |
| total | 63 - 63 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | |
| Soft-rays total | 100 - 100 |
| Adipose fin | absent |
| Attributes | pointed; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 80 - 80 |
| Pectoral | Attributes several lower rays isolated |
| Spines 0 | |
| Soft-rays 16 - 18 | |
| Pelvics | Attributes reduced to filaments |
| Position jugular before origin of D1 | |
| Spines 0 | |
| Soft-rays 2 - 2 |