Morphology Data of Arripis xylabion
Identification keys
Abnormalities
Main Ref. Paulin, C., 1993
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 clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales ctenoid scales
Diagnosis

Head and body deep bluish-green to steep-blue with irregular faint dark grey spots dorsally, silvery white below. Pectorals grey, other fins translucent to grey. Juveniles with dark margin on anal fin. Length of upper lobe of caudal fin > 30% SL (Ref. 9701).

Ease of Identification

Meristic characteristics of Arripis xylabion

Lateral Lines Interrupted: No
Scales on lateral line 52 - 55
Pored lateral line scales
Scales in lateral series
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 20 - 25
on upper limb 12 - 17
total
Vertebrae
preanal
total 25 - 25

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 15 - 16
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 9 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     
Soft-rays   
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17