| Main Ref. | Motomura, H., M. Okamoto and Y. Iwatsuki, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Grayish-black and oblong body. Pectoral fin with 13 unbranched rays, 6 pectoral filaments with upper 2 filaments extending beyond midpoint of caudal peduncle. Maxilla covered with scales (Ref. 41110). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 54 - 55 |
| Scales in lateral series | |
| Scale rows above lateral line | 6 - 6 |
| Scale rows below lateral line | 11 - 11 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 18 - 18 |
| on upper limb | 13 - 14 |
| total | 31 - 32 |
| Vertebrae | |
| preanal | |
| total | 24 - 24 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 9 - 9 |
| Soft-rays total | 12 - 12 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 11 - 11 |
| Pectoral | Attributes rays very elongated |
| Spines 0 | |
| Soft-rays 13 - 13 | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |