Morphology Data of Valenciennea helsdingenii
Identification keys
Abnormalities
Main Ref. Hoese, D.F., 1986
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 ctenoid scales
Diagnosis

Characterized by pale grey body color with broad white midlateral stripe bordered by pair of black to brownish stripes; first dorsal fin with large black spot; truncate to slightly emarginate caudal fin, ray above and below central three rays prolonged as filament in adult; length of caudal fin 2.4-5.0 in SL; longitudinal scale series 127-146; ctenoid body scales except cycloid on abdomen; head or midline of nape without scales; in adult, cycloid scales extending forward on side of nape to above middle of operculum; base of pectoral fin and prepelvic area scaled in adult; depth of body 5.0 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Valenciennea helsdingenii

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 110 - 140
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
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 7 - 7
Soft-rays total 11 - 11
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

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

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   21 - 23
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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