| Main Ref. | Ramos, R.T.C., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | flatfish |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Presence of scales on all areas of the head (except nasal area and a very narrow stripe on angle of preopercle in specimens larger than 5 cm SL); absence of a membrane connecting the dorsal, anal and caudal fins; two pelvic fins juxtaposed, enclosed by a single dermal envelope and positioned on the medial ventral line of the body (Ref. 49504). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 56 - 75 |
| 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 | 8 - 8 |
| total | 32 - 35 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | 65 - 73 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 0 - 0 |
| Soft-rays total | 46 - 51 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |