Morphology Data of Dactylobatus armatus
Identification keys
Abnormalities
Main Ref. Bigelow, H.B. and W.C. Schroeder, 1953
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs claspers (m)
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features striking fins
Body shape lateral other
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales placoid scales
Diagnosis

Narrow spatula-shaped lobe from margin of each pectoral. Upper surface ashy gray. Lower surface yellowish white, clouded with mouse gray (Ref. 6902). Characteristic spines on underside of frontal margin of disc.

Ease of Identification easy to distinguish from other species.

Meristic characteristics of Dactylobatus armatus

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
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
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Sampang-Reyes, Arlene G.
Modified by Bailly, Nicolas
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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