Morphology Data of Iniistius trivittatus
Identification keys
Main Ref. Randall, J.E. and A.S. Cornish, 2000
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

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
Position of mouth terminal
Type of scales cycloid scales

Upper half of the body with 3 blackish bars; dorsal and anal fins and dorsal edge of caudal fin with pink margin; forehead with a median pale blue line. Dorsal fin incised between 2nd and 3rd spines; approximately 1/3 the length of the 2nd spine, the gap about 1.5 times larger than between 1st and 2nd or 3rd and 4th spines; dorsal spines 1st and 2nd longer than the longest dorsal soft rays. Cheek with a broad band of small scales from below eye to slightly below corner of the mouth; 2-3 scales dorsally on opercle.

Ease of Identification

Meristic characteristics of Iniistius trivittatus

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 15 - 16


Dorsal fin(s)

Fins number
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 9 - 9
Soft-rays total 12 - 12
Adipose fin absent

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 12 - 12

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   12 - 12
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Reyes, Rodolfo B.
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