Morphology Data of Novaculops halsteadi
Identification keys
Main Ref. Randall, J.E. and P.S. Lobel, 2003
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is characterized by the following: D IX,12, the first two dorsal spines flexible and shorter than longest dorsal soft rays; body depth 3.1-3.35 in SL; cheek scaleless; 2 small scales dorsally on opercle; gill rakers 17-20; juveniles and females whitish with a red stripe from above eye to back at base of dorsal fin; males with a pale-edged black spot on seventh lateral-line scale and scales below (Ref. 75958).

Ease of Identification

Meristic characteristics of Novaculops halsteadi

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 25
Scales in lateral series
Scale rows above lateral line 2.5 - 2.5
Scale rows below lateral line 10 - 10
Scales around caudal peduncle 19 - 20
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 20 - 20
total 25 - 25


Dorsal fin(s)

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

Caudal fin


Anal fin(s)

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

Paired fins

Pectoral Attributes  
Soft-rays   13 - 13
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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