Morphology Data of Trichiurus nickolensis
Identification keys
Abnormalities
Main Ref. Burhanuddin, A.I. and Y. Iwatsuki, 2003
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

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
Diagnosis

Anterior margin of pectoral fin spine not serrate; first anal spine base situated below 34th-36th dorsal fin rays; total gill raker bases with a long spine 13-18; highest point of supraoccipital crest situated vertically above posterior margin of eye; strong pigmentation on anterior section of dorsal fin membrane; dorsal margin of head concave, in lateral view, rises gently from snout tip to a vertical through middle of orbit then extending more steeply to dorsal fin origin; preanal length 29-32% TL; head length 11-12% TL; upper jaw length 4% TL; predorsal length 7-8% TL (Ref. 49863).

Ease of Identification

Meristic characteristics of Trichiurus nickolensis

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
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 19 - 26
Vertebrae
preanal
total 160 - 166

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 3 - 3
Soft-rays total 138 - 143
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 108 - 117

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   9 - 10
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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