| Main Ref. | Collette, B.B., 1995 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | striking type of mouth |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | clearly protrusible |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Caudal fin emarginate (Ref. 9279). Branchiostegal rays: 11-12 (Ref. 36575). |
| 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 | 0 - 0 |
| on upper limb | 0 - 0 |
| total | |
| Vertebrae | |
| preanal | |
| total | 67 - 74 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 17 |
| Adipose fin | absent |
| Attributes | other (see remark); asymmetric |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 16 - 19 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines 0 | |
| Soft-rays 5 - 6 |