| Main Ref. | Gomon, M.F., C.J.M. Glover and R.H. Kuiter (eds.), 1994 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnose |
Remarks: pectorals tiny, length less than eye diameter. |
| 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 | |
| insgesamt | |
| Wirbelzahl | |
| preanal | |
| insgesamt |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 56 - 59 |
| Soft-rays total | 1 - 1 |
| Adipose fin | absent |
| Attributes | pointed; confluent |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 43 - 45 |
| Pectoral | Attributes other (see remarks) |
| Spines 0 | |
| Soft-rays 6 - 7 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 2 - 2 |