Morphology Data of Stegastes fasciolatus
Identification keys
Main Ref. Allen, G.R. and A.R. Emery, 1985
Appearance refers to
Bones in OsteoBase

Sex attributes

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

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section oval
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
Type of scales ctenoid scales

Description: Variable body color, pale gray and various shades of brown from tan to nearly blackish (geographic varieties); each scale with blackish streak near margin appearing as narrow transverse bands. Usually bright yellow iris (except the Indonesian Pacific form); a bluish band across preorbital bone from lower front corner of eye to mouth; pale gray to whitish lips. Spinous part of dorsal fin with translucent submarginal band; median and pelvic fins gray to brown, except the Indian Ocean variety; pectoral fins nearly translucent to dusky brown, black spot at base of uppermost ray. Juveniles usually have blue-bordered dorsal and anal fins (Ref. 1602). Body depth 1.6-2.1 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Stegastes fasciolatus

Lateral Lines 1 Interrupted: No
Scales on lateral line 19 - 21
Pored lateral line scales 19 - 21
Scales in lateral series
Scale rows above lateral line 1.5 - 3.5
Scale rows below lateral line 9 - 12
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 10 - 13
on upper limb 5 - 6
total 15 - 19


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 15 - 17
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 2
Spines total 2 - 2
Soft-rays total 12 - 14

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   19 - 21
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Olisa, Kristine Elaine Paz
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17