Morphology Data of Polynemus aquilonaris
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Eight first dorsal fin spines; 7 pectoral filaments, upper 2 filaments longer than TL; vomer with villiform teeth; orbit diameter 4% of SL; posterior portion of maxilla less than orbit diameter (Ref. 49954).

Ease of Identification

Meristic characteristics of Polynemus aquilonaris

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 80 - 86
Scales in lateral series
Scale rows above lateral line 6 - 8
Scale rows below lateral line 13 - 17
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 16 - 18
on upper limb 9 - 11
total 25 - 29
Vertebrae
preanal
total 25 - 25

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 9 - 9
Soft-rays total 15 - 19
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 11 - 13

Paired fins

Pectoral Attributes  several lower rays isolated
Spines     0
Soft-rays   15 - 17
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
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