Morphology Data of Siganus woodlandi
Identification keys
Main Ref. Randall, J.E. and M. Kulbicki, 2005
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

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

Diagnosis: Pectoral rays 17-18. Scale rows above the lateral line 20-23. Gill rakers 6-7 + 17-18. Body depth 2.35-2.4 in SL; head length 4.1-4.4 in SL; snout length 2.4-2.6 in HL; longest dorsal spine 2.05-2.1 in HL. Dorsal profile of head from above front of eye to tip of recumbent dorsal spine concave. Caudal fin deeply emarginate, caudal concavity 1.35 in HL. The head and body light blue in life, with many small pale yellowish spots and very irregular narrow yellow bands, resulting in a fine reticular pattern for most of head and body (Ref. 55950).

Ease of Identification

Meristic characteristics of Siganus woodlandi

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 20 - 23
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 17 - 18
on upper limb 6 - 7
total 23 - 23


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total 8 - 8
Soft-rays total 10 - 10
Adipose fin

Caudal fin


Anal fin(s)

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

Paired fins

Pectoral Attributes  
Soft-rays   17 - 18
Pelvics Attributes  
Spines     2
Soft-rays   3 - 3
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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