Morphology Data of Siganus magnificus
Identification keys
Abnormalities
Main Ref. Woodland, D.J., 1990
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features striking type of mouth
Body shape lateral short and / or deep
Cross section compressed
Dorsal head profile clearly concave
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales cycloid scales
Diagnosis

Ocular band dark chocolate brown to black; a broad white arc running from isthmus and thorax to bases of 2nd - 4th dorsal spines; posterior to white band, body brown or gray dorsally, whitish below. Spines stout, not very pungent and venomous. Preopercular angle 120°; strong overlapping scales cover cheeks, 8 or 9 rows deep below center of orbit; midline of thorax fully scaled. Opening of anterior nostril borne on a very short tube which is taller posteriorly.

Ease of Identification

Meristic characteristics of Siganus magnificus

Lateral Lines 1 Interrupted: No
Scales on lateral line 129 - 132
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 17 - 19
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 10 - 10
total 23 - 23

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 13 - 13
Soft-rays total 10 - 10
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 7 - 7
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   16 - 16
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     2
Soft-rays   3 - 3
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