| Main Ref. | Imamura, H. and T. Nobetsu, 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Peritoneum dusky, stomach black. Vertebrae 10 + 47 = 57, pleural ribs 2 (on the 9th and 10th vertebrae, respectively. Narrow gill opening (37.5% HL). Pyloric caeca 14, slender and pointed. Suprabranchial pores 2. Longer lower lobe of pectoral fin (90.4% HL); base of uppermost pectoral fin ray almost on level with center of eye. Rudimentary disk (2.5% HL) (Ref. 43213). |
| 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 | 57 - 57 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 50 - 50 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 44 - 44 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 32 - 32 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |