| Main Ref. | Moser, H.G. and E.H. Ahlstrom, 1996 |
| 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 |
Slender body, narrowed toward the end of caudal peduncle. Maximum depth slightly behind the pectoral fin base. Caudal peduncle short and narrow. Pectorals short, far from reaching origin of dorsal fin. Radial pattern of operculum present. Few gill rakers on the inner surface of epibranchial of first gill arch (Ref. 33679). |
| 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 | 14 - 19 |
| on upper limb | 8 - 10 |
| total | |
| Vertebrae | |
| preanal | |
| total | 43 - 47 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 10 - 14 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 17 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 9 - 12 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines 0 | |
| Soft-rays 8 - 11 |