Main Ref. | Iwatsuki, Y., S. Kimura and T. Yoshino, 1999 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
U-shaped premaxilla groove entirely without scales, even in large specimens. Posterior margin of maxilla usually not beyond a vertical through anterior margin of inner dermal eye opening (rarely just short of vertical). Scales between 5th dorsal fin spine base 3.5. Body often with 6-8 irregular, dusky, oblique and vertical bands dorsolaterally and ventrolaterally (apparent in juveniles and often observed in large specimens). Pelvic fin vivid or dull yellow with a strong black band and clear white distal margin posteriorly when fresh. Supraneural bones 3 (Ref. 35850). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 37 - 41 |
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 | 7 - 7 |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 9 - 9 |
Soft-rays total | 10 - 10 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 7 - 8 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |