| Main Ref. | McFarlane, G.A., J.R. King and M.W. Saunders, 2002 |
| 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 | other (see remarks) |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Body semitransparent and faint reddish, fins transparent but caudal fin grayish and with gray edge. Front nostril opening with a short tube and separated with rear nostril opening by a valve; eyes socket located in center of head, slightly caved-in, filled with adipose; eyeball extremely degenerated; barbels 2 pairs (Ref. 45536). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 39 - 40 |
| 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 | |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position | |
| Spines | |
| Soft-rays |