| Main Ref. | Briggs, J.C., 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | |
| Position of mouth | superior |
| Type of scales | |
| Diagnosis |
Males have one or 2 pairs of large canine teeth in the lower jaw and urogenital papilla with a long, narrow tip. The females have narrow, pointed incisors at the front of the lower jaw; no developed canines; and short urogenital papilla that is less than one third the length of that in males (Ref. 43129). |
| 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 | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 7 - 8 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 17 - 19 | |
| Pelvics | Attributes |
| Position thoracic before origin of D1 | |
| Spines | |
| Soft-rays |