| Main Ref. | Møller, P.R., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | cycloid scales |
| Diagnosis |
Head and body uniformly dark greyish brown. Lateral line configuration double with ventral and mediolateral branches, the latter originating above middle of pectoral fin. Abdomen and predorsal area without scales. Pectoral fin length 12-15.5% SL. Mouth subterminal (Ref. 47926). |
| 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 | 16 - 17 |
| Vertebrae | |
| preanal | 24 - 26 |
| total | 98 - 102 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 92 - 97 |
| Adipose fin |
| Attributes | other (see remark); confluent |
| Fins number | |
| Spines total | |
| Soft-rays total | 76 - 80 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 18 - 20 | |
| Pelvics | Attributes suppressed/absent |
| Position | |
| Spines | |
| Soft-rays |