Morphology Data of Ptereleotris helenae
Identification keys
Abnormalities
Main Ref. Smith, C.L., 1997
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs protruding genital papilla (m)
Different appearance always different morphology between mature adults
Different colors
Remarks Genital papilla in males is pointed and smooth whereas in females, it is rounded and spongy (Ref. 528).

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 pale bluish-gray, with lavender overtones. Fins paler, greenish yellow; caudal fins rounded, moderately long. Mouth very oblique. Scales very small, about 145 in lateral series (Ref. 26938).

Ease of Identification

Meristic characteristics of Ptereleotris helenae

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 145 - 145
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 17 - 20
on upper limb 6 - 9
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 6 - 7
Soft-rays total 22 - 24
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 1 - 1
Soft-rays total 21 - 23

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   20 - 22
Pelvics Attributes  
Position    
Spines     1
Soft-rays   4 - 4
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