Morphology Data of Bathyraja spinosissima
Identification keys
Abnormalities
Main Ref. Knuckey, J.D.S. and D.A. Ebert, 2022
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
Cross section flattened
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This large skates (200.3 cm TL), with large disc length and width (44.1-56.9 and 50.6-67.3% TL, respectively) are distinguished by the following: pectorals with rounded apices; head moderately long (14.0-20.5 % TL), interspiracular length large (9.1-12.2% TL), mouth width large (6.1-13.0% TL); teeth in 31-33 rows on upper jaw and in 24-31 rows on lower jaw; total vertebrae 137; dorsal and ventral surfaces are covered with prickles; thorns usually absent on dorsal surface, with tail thorns (22-28), interdorsal thorns weakly developed or absent (0-1), no middorsal, nuchal, and scapular thorns. Colouration: dorsal pale white to grey, while ventral is pale white; outer edges of pectorals dark (Ref. 126515).

Ease of Identification

Meristic characteristics of Bathyraja spinosissima

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 )
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