| Main Ref. | Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | superior |
| Type of scales | |
| Diagnosis |
Caudal fin darkened on middle rays (Ref 42535). Related to P. coarctatus, but differs from it in having a small number of scales on the lateral line, larger eye, its diameter 3.5 times in head length, no dark blotches on lateral line and no dots along upper margin of upper eye. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 80 - 86 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 7 - 10 |
| on upper limb | 0 - 0 |
| total | 7 - 10 |
| Vertebrae | |
| preanal | |
| total | 31 - 32 |
| Attributes | extending over most of the back length |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 104 - 113 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 83 - 90 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes more or less normal |
| Position jugular behind origin of D1 | |
| Spines | |
| Soft-rays |