Morphology Data of Plectroglyphidodon sagmarius
Identification keys
Abnormalities
Main Ref. Randall, J.E. and J.L. Earle, 1999
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 fusiform / normal
Cross section compressed
Dorsal head profile clearly convex
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

Color of adults white with a broad brown bar on the head; 3 brownish yellow bars on the body; a large black saddle on the caudal peduncle (lacking in juveniles); and orange-yellow spinous portion on dorsal fin. Young with a large elliptical black spot basally and below posterior half of the soft part of dorsal fin, extending onto anterior part of the caudal peduncle, followed by a bright white spot. Moderately-deep body, 2.1-2.35 in SL. Tubed lateral line scales, 19-21, but usually 20 (Ref. 33558).

Ease of Identification

Meristic characteristics of Plectroglyphidodon sagmarius

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
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 9 - 10
on upper limb 1 - 3
total 10 - 13
Vertebrae
preanal
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 7 - 7
Soft-rays total 14 - 15
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 11 - 12

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   19 - 21
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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