Morphology Data of Vanderhorstia attenuata
Identification keys
Abnormalities
Main Ref. Randall, J.E., 2007
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 elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is diagnosed by the following characters: D VI-I, 11; A I, 11; pectoral rays 19; scales in longitudinal series 39; median predorsal scales 15; scales on head absent except dorsally behind eye; scales on prepectoral area; body not very elongate, depth 5.35 in SL; orbit diameter 3.2 in HL; third dorsal spine longest, 3.95 in SL; caudal fin long, the middle five rays prolonged into a tapering filament as long as rest of fin, total fin length 2.15 in SL; pectoral fins reaching to above origin of anal fin, 3.6 in SL; pelvic fins just reaching anus, 4.9 in SL (Ref. 75899); characterized further by pale bluish grey body color with four diffuse brown bars on body; nape and body with orange lines and small spots; lower half of side has a zone of elongate orange spots and occasional vertical orange lines; cheek and operculum with dark-edged orange bands and spots; dorsal fins bluish with dusky orange bands; united pelvic fins, presence of well developed frenum; cycloid scales covering body anteriorly, ctenoid posteriorly (Ref. 90102).

Ease of Identification

Meristic characteristics of Vanderhorstia attenuata

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 13 - 13
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 12 - 12
on upper limb 4 - 4
total 16 - 16
Vertebrae
preanal
total

Fins

Dorsal fin(s)

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

Caudal fin

Attributes

Anal fin(s)

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

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   19 - 19
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
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