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 | elongated |
Cross section | flattened |
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 | terminal |
Type of scales | |
Diagnosis |
Upper half of body depressed, snout strongly depressed. Eye small, developed at upper surface of head. Head and body covered with tiny scales. Skin very thick. Three gill rakers developed on 1st gill arch. |
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 | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | extending over most of the back length |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 |
Soft-rays total | 84 |
Adipose fin | absent |
Attributes | pointed; more or less normal |
Fins number | 1 |
Spines total | 0 |
Soft-rays total | 56 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 22 - 24 | |
Pelvics | Attributes joint to one spine only |
Position jugular before origin of D1 | |
Spines 0 | |
Soft-rays 1 |