Morphology Data of Cirrhilabrus nahackyi
Identification keys
Main Ref. Walsh, F. and H. Tanaka, 2012
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 compressed
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 XI,9; A III,9; pectoral fin rays 15; lateral line scales 17+5; median predorsal scales 5; horizontal rows of scales on cheek 2;

gill rakers 14-15; body depth 3.00-3.45 in SL, width 2.0-2.2 in body depth; head length 2.7-3.1 in SL; snout length 3.85-4.15 in head length; short pelvic fin and not reaching base of anal fin, 4.3-5.2 in SL; rounded caudal fin; large eye with orbit diameter 3.15-3.85 in HL; color in life, males with abdomen pale yellow, body red dorsally fading to yellowish ventrally, the soft portion of dorsal black outer band and red band mid-dorsally, broader posteriorly, yellow band at base, the spinous part black on the first membrane fading to irregular dusky on yellow

toward first soft ray, a thin outer margin violet to pale blue and nape dusky; when preserved pale, males with black submarginal band in dorsal fin and caudal fin translucent (Ref. 89074).

Ease of Identification

Meristic characteristics of Cirrhilabrus nahackyi

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 2 - 2
Scale rows below lateral line 6 - 6
Scales around caudal peduncle 16 - 16
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 14 - 15
preanal 9 - 9
total 25 - 25


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 11 - 11
Soft-rays total 9 - 9
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   15 - 15
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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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