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 | more or less normal |
Position of mouth | superior |
Type of scales | |
Diagnosis |
Resembles S. japonicus and S. analis but distinguished by the following characters: pelvic spine with distinct serration on the anterior edge; 2 spines and 7 soft rays in anal fin; 16 rays in pectoral fin; and small body size (less than 10 cm). Body blackish -brown dorsally, paler ventrally. |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 28 - 32 |
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 | 9 - 13 |
on upper limb | 2 - 4 |
total | |
Vertebrae | |
preanal | 10 - 10 |
total | 25 - 25 |
Attributes | first fin ray very elongated |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 9 - 9 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 7 - 7 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 16 - 16 | |
Pelvics | Attributes more or less normal |
Position thoracic beneath origin of D1 | |
Spines | |
Soft-rays |