Morphology Data of Sillago japonica
Identification keys
Abnormalities
Main Ref. McKay, R.J., 1992
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section circular
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 ctenoid scales
Diagnosis

Swim bladder with anterior projecting extensions and a single posterior extension. Body is greenish gray above, the dorsal part of the head being the darker, and whitish below. The fins are mostly hyaline; the membrane between the first to the third dorsal fin spines with minute dark brown dots; the margins of the dorsal fin with a few dark brown spots. The caudal fin with dark margins.

Ease of Identification

Meristic characteristics of Sillago japonica

Lateral Lines 1 Interrupted: No
Scales on lateral line 70 - 73
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 35 - 35

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 12 - 12
Soft-rays total 21 - 23
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 22 - 24

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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