Morphology Data of Pezichthys nigrocilium
Identification keys
Main Ref. Last, P. and D.C. Gledhill, 2009
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 elongated
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 combination of characters: small esca, 11% of illicium length (including esca); short, very slender illicium, without dermal spinules, its length about 16% SL, 3.5 times in head length; head length about 9 times snout length; short snout, length 6% SL; eye large, 5.6 times in head length; narrow body, maximum width 19% SL; interorbital width narrow, about 5% SL; scale bases subcircular with prominent, strongly divergent, bifurcate spinules (except for those closely associated with pores of the acoustico-lateralis system); spinules variable in length over body; dorsal-fin elements covered with spinules, outer fin membranes naked; first dorsal-fin base short, length 15% SL; second dorsal-fin rays 15, fin base about 57% SL; length of second dorsal-fin spine 1.4 times length of longest ray of second dorsal fin; anal-fin rays 8; body is predominantly pale pink with prominent eyelash-like marking radiating from eye; caudal fin plain, without fine spots (Ref. 82446).

Ease of Identification

Meristic characteristics of Pezichthys nigrocilium

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


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 17 - 17
Adipose fin

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  
Soft-rays   7 - 7
Pelvics Attributes  
Soft-rays   4 - 4
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