Morphology Data of Istiompax indica
Identification keys
Abnormalities
Main Ref. Nakamura, I., 1985
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

Body elongate and not very compressed; upper jaw produced into a robust but not very long beak; two dorsal fins, the height of the first less then the greatest body depth, becoming shorter posteriorly; pectoral fins falcate and rigid, with 19 to 20 rays; body densely covered with small, embedded scales with 1 or 2 sharp points; back dark blue; belly silvery white; membrane of first dorsal fin blue black, without spots; flanks without spots (Ref. 55763). Dark blue above, silvery white below; sometimes with light blue vertical stripes; 1st dorsal fin blackish to dark blue, other fins dark brown with tinges of dark blue in some specimens.

Ease of Identification

Meristic characteristics of Istiompax indica

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
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 0 - 0
Soft-rays total 39 - 50
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 2
Spines total 0 - 0
Soft-rays total 16 - 21

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   12 - 20
Pelvics Attributes  
Position    
Spines     
Soft-rays   1 - 2
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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