Morphology Data of Trichiurus brevis
Identification keys
Abnormalities
Main Ref. Burhanuddin, A.I., Y. Iwatsuki, T. Yoshino and S. Kimura, 2002
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 compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout other (see remarks)
Position of mouth superior
Type of scales
Diagnosis

Body extremely elongated, ribbon-like. Top of supraoccipital crest situated vertically above posterior margin of eye. Very slightly pigmented on upper part of anterior dorsal fin membranes. Posterior margin of preopercle indistinct because it is almost embedded below membranes, but anterior margin of preopercle very visible because it clearly projected externally. First anal fin spine base situated below 32nd-35th dorsal fin ray base. (Ref. 44252).

Ease of Identification

Meristic characteristics of Trichiurus brevis

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 14 - 22
Vertebrae
preanal
total 147 - 155

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 3 - 3
Soft-rays total 127 - 132
Adipose fin

Caudal fin

Attributes pointed; confluent

Anal fin(s)

Fins number
Spines total 1 - 1
Soft-rays total 100 - 110

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   9 - 10
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17