Morphology Data of Pseudanthias unimarginatus
Identification keys
Main Ref. Randall, J.E., 2011
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished by the following characters: D X,16; A III,7; pectoral-fin rays 18; lateral-line scales 43; gill rakers 9 + 25; body depth 3.05 in SL; head length 3.1 in SL; anterior end of upper lip thickened; papillae ventroposteriorly on edge of orbit; no serrae on edge of subopercle nor on interopercle; snout length 3.9 in HL; bony interorbital width 4.0 in HL; 4th-10th dorsal spines subequal, 2.8 in HL; caudal fin lunate, 2.3 in SL; body color orange-yellow, shading to pale lavender-yellow ventrally, head yellow, paler ventrally, a large elliptical orange area, bordered by magenta, dorsally on head from snout to nape, anterior end of upper lip pale lavender-pink, caudal fin yellow with a broad pale blue upper margin and red submarginal band that narrows posteriorly, remaining fins translucent yellow, the dorsal fin with a pink margin, and the anal and pelvic fins with a narrow blue margin (Ref. 86964).

Ease of Identification

Meristic characteristics of Pseudanthias unimarginatus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 5 - 5
Scale rows below lateral line 14 - 14
Scales around caudal peduncle 23 - 23
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 25 - 25
on upper limb 8 - 8
total 26 - 26


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 10 - 10
Soft-rays total 16 - 16
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   18 - 18
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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