| Main Ref. | Sasaki, K., 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Snout rounded, but not swollen or projecting; upper jaw length 38-44 % of head length, lower jaw length 44-53 % of head length. First pair of mental pores close together, united by a crescent-shaped groove just behind symphysis. Teeth differentiated into large and small in both jaws. Second anal spine long, stiff, 39-59 % of head length. From 8 to 13 scale rows above lateral line to origin of dorsal fin, 12-17 scale rows below lateral line to origin of anal fin (total 21-29 scale rows). Swim bladder carrot-shaped, with 18-22 pairs of arborescent appendages along its sides, the first pair entering head beyond transverse septum. Sagitta (large earstone) with a tadpole-shaped impression, the tail of which is J-shaped. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 48 - 51 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 8 - 13 |
| Scale rows below lateral line | 12 - 17 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 7 - 13 |
| on upper limb | 6 - 7 |
| total | 13 - 20 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1notched No |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 10 - 11 |
| Soft-rays total | 27 - 33 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 7 - 7 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |