| Main Ref. | Kawaguchi, K. and J.L. Butler, 1984 |
| 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 | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Head relatively large than body; eye large. Branchiostegal rays 3. Ratio of caudal peduncle length to caudal peduncle depth less than 1.5 (Ref. 5123). |
| 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 | 28 - 28 |
| on upper limb | 12 - 12 |
| total | 40 - 40 |
| Vertebrae | |
| preanal | |
| total | 35 - 36 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 8 - 9 |
| Adipose fin | present |
| Attributes | pointed |
| Fins number | |
| Spines total | |
| Soft-rays total | 7 - 8 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 12 - 12 | |
| Pelvics | Attributes |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 9 - 11 |