| Main Ref. | Randall, J.E., 1996 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | flattened |
| Dorsal head profile | |
| Type of eyes | asymmetric |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | ctenoid scales |
| Diagnosis |
Body very thin, thickness 3-3.65 in HL. Branched caudal rays 16. Head length 3.8-4.2 in SL (Ref. 48239). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 66 - 70 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 25 - 27 |
| Scale rows below lateral line | 28 - 30 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 0 - 0 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 71 - 75 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 49 - 52 |
| Pectoral | Attributes absent |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines 0 | |
| Soft-rays 5 - 5 |