| Main Ref. | Hoshino, K. and K. Amaoka, 1999 |
| 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 | clearly protrusible |
| Position of mouth | terminal |
| Type of scales | cycloid and ctenoid scales |
| Diagnosis |
Lower jaw in adults with a remarkable bony knob; snout very strongly projecting, 5.5-6.3% in SL in adults; pectoral fin on ocular side longer than that on blind side, ocular side with 10-11 rays, blind side with 8-10 rays; pelvic fin on ocular side situated on mid-ventral line, that on blind side slightly in advance of and dorsal to its counterpart (Ref. 35997). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 44 - 50 |
| 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 | 16 - 20 |
| on upper limb | 7 - 9 |
| total | |
| Vertebrae | |
| preanal | |
| total | 36 - 37 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | |
| Soft-rays total | 78 - 86 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 62 - 68 |
| Pectoral | Attributes other (see remarks) |
| Spines 0 | |
| Soft-rays | |
| Pelvics | Attributes other (see remarks) |
| Position thoracic behind origin of D1 | |
| Spines 0 | |
| Soft-rays 6 - 6 |