Morphology Data of Polydactylus sexfilis
Identification keys
Abnormalities
Main Ref. Myers, R.F., 1991
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 short and / or deep
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Body uniformly golden silver; occasionally with several faint dark stripes along longitudinal scale rows above and below lateral line. Pectoral filaments 6 with tip of uppermost filament reaching to or slightly beyond level of posterior tip of upper part of pectoral fin (Ref. 41110).

Ease of Identification

Meristic characteristics of Polydactylus sexfilis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 60 - 67
Scales in lateral series
Scale rows above lateral line 8 - 9
Scale rows below lateral line 12 - 14
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 27 - 31
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 13 - 13
Adipose fin

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

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

Paired fins

Pectoral Attributes  rays very elongated
Spines     0
Soft-rays   15 - 16
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Spines     
Soft-rays   
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