Morphology Data of Pomacanthus annularis
Identification keys
Abnormalities
Main Ref. Steene, R.C., 1978
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors different colors in juveniles and adults
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
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 superior
Type of scales ctenoid scales
Diagnosis

Description: Juveniles black with alternating white and blue curved well-spaced stripes on the sides. Adults golden brown or orange with well-spaced curved horizontal stripes radiating from the pectoral-fin base area, running along the sides towards the posterior portion of the dorsal fin. Two similar blue stripes run horizontally across the face, one running through the eye, from above the snout to the edge of the operculum. A blue ring is behind and slightly above the edge of the operculum. Caudal fin is white with bright yellow margin (Ref. 4859). Body depth 1.5-1.6 in SL. Scales longitudinal series about 70 (Ref. 90102).

Ease of Identification

Meristic characteristics of Pomacanthus annularis

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 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total

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 20 - 21
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 20 - 20

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   18 - 20
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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