| Main Ref. | Romero, A. and K.M. Paulson, 2001 |
| 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 | |
| Type of eyes | other (see remarks) |
| Type of mouth/snout | clearly protrusible |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Eyes not externally visible; little pigmentation; scales cover only part of the body (Ref. 44736). Rear section of head abruptly convex; barbels 2 pairs. Pectoral fin long, reaching pelvic fin insertion (Ref. 127045). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 52 - 56 |
| 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 | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 7 |
| Adipose fin |
| Attributes | forked |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 5 - 5 |
| Pectoral | Attributes other (see remarks) |
| Spines 1 | |
| Soft-rays 15 - 18 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines 2 | |
| Soft-rays 8 - 9 |