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 | fusiform / normal |
Cross section | compressed |
Dorsal head profile | clearly convex |
Type of eyes | more or less normal |
Type of mouth/snout | tube-like |
Position of mouth | superior |
Diagnosis |
First infraorbital without spine on anterior end. Lateral line ends in caudal fin base. No fleshy disk on inner face of exposed area of scale. Anterior and posterior nostrils close together, their distance apart shorter than diameter of anterior nostril. Specimens from the Indian Ocean have more gill rakers than specimens from Japan. |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 53 - 62 |
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 | 16 - 23 |
on upper limb | 5 - 9 |
total | |
Vertebrae | |
preanal | |
total |
Attributes | modified to suction disc |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 5 - 7 |
Soft-rays total | 12 - 15 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 4 - 4 |
Soft-rays total | 15 - 17 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 13 - 13 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 7 - 7 |