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

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral short and / or deep
Cross section compressed
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

Body is bronze, with bluish spots on the head and anterior portion of the body. These spots join in the posterior portion to form vermiculating patterns. Preopercular angle 98°-102°; strong scales covering cheeks with 9-11 rows deep below center of orbit; midline of thorax scaled, pelvic ridges without scales. Low rim of anterior nostril bearing a minute, pointed peak posteriorly. The spines are stout, blunt and venomous. S. randalli is similar to S. vermiculatus but is spotted on the head and front of the back (Ref. 37816).

Ease of Identification

Meristic characteristics of Siganus randalli

Lateral Lines 1 Interrupted: No
Scales on lateral line 132 - 142
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 19 - 22
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 20 - 23
on upper limb 5 - 6
total 25 - 29
preanal 10 - 10
total 23 - 23


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 more or less truncate; 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   12 - 12
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     2
Soft-rays   3 - 3
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Pablico, Grace Tolentino
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