Morphology Data of Hemitripterus villosus
Identification keys
Abnormalities
Main Ref. Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
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
Diagnosis

Body covered with many small tubercles; head large, with numerous bony humps and ridges; spinous dorsal fin deeply emarginate, its base longer than that of the soft dorsal fin; jaws, prevomer and palatines with broad bands of conical teeth (Ref. 559).

Ease of Identification

Meristic characteristics of Hemitripterus villosus

Lateral Lines Interrupted: No
Scales on lateral line 41 - 46
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
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 17 - 19
Soft-rays total 11 - 13
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 12 - 15

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   18 - 20
Pelvics Attributes  
Position    
Spines     1
Soft-rays   3 - 3
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