Morphology Data of Polynemus melanochir
Identification keys
Abnormalities
Main Ref. Motomura, H. and M. Sabaj, 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 fusiform / normal
Cross section compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Head and body grayish-black dorsally, pale whitish-yellow ventrally. Snout long, strongly pointed (7% of SL). Pectoral filaments 7, the last probably the longest. Upper caudal fin lobe short (34-35% of SL). Swim bladder absent (Ref. 43351).

Ease of Identification

Meristic characteristics of Polynemus melanochir

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 71 - 72
Scales in lateral series
Scale rows above lateral line 7 - 7
Scale rows below lateral line 12 - 13
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 17 - 19
on upper limb 12 - 12
total 29 - 31
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 8 - 9
Soft-rays total 16 - 16
Adipose fin

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 11 - 12

Paired fins

Pectoral Attributes  rays very elongated
Spines     
Soft-rays   16 - 17
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     
Soft-rays   
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