Morphology Data of Photostomias atrox
Identification keys
Abnormalities
Main Ref. Kenaley, C.P. and K.E. Hartel, 2005
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
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by having 3 pairs of basibranchial tooth patches; D 22-26, A 26-30, the sum of dorsal- and anal-fin rays 49-55; male postorbital organ length large, specimens greater than 6.0 cm, 72.1-197.2% fleshy orbit, 16.7-46.6% JL; anterior orbital organ length large, specimens greater than 6.0 cm, 9.2-37.8% fleshy orbit, 2.1-9.6% JL (Ref. 75669).

Ease of Identification

Meristic characteristics of Photostomias atrox

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 37 - 38
total 55 - 57

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 22 - 26
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 26 - 30

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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