Morphology Data of Polynemus dubius
Identification keys
Abnormalities
Main Ref. Motomura, H., 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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

First dorsal fin with 8 spines; 7 pectoral filaments, upper two filaments longer than total length; vomer with villiform teeth; orbit diameter 3-4% of standard length; posterior portion of maxilla less than orbit diameter (Ref. 49954).

Ease of Identification

Meristic characteristics of Polynemus dubius

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 69 - 79
Scales in lateral series
Scale rows above lateral line 6 - 8
Scale rows below lateral line 12 - 13
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 18 - 21
on upper limb 11 - 13
total 29 - 33
Vertebrae
preanal
total 25 - 25

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 14 - 16
Adipose fin

Caudal fin

Attributes forked

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 12 - 12

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   16 - 18
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
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