Morphology Data of Photonectes margarita
Identification keys
Abnormalities
Main Ref. Prokofiev, A.M., 2015
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 compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species of the subgenus Trachinostomias is distinguished by the following characters: vertebrae 60-63 (as an exception, can be reduced to 58); photophores of series IV, 41-45; jaws with uniformly sized teeth; pectoral fin, usually 1 ray P (as an exception, 0 or 2); body with spots of white luminous tissue; mental barbel with a small bulb or even without it, but always with the developed appendages (Ref. 125184).

Ease of Identification

Meristic characteristics of Photonectes margarita

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 60 - 63

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 16 - 18
Adipose fin

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 19 - 25

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   0 - 1
Pelvics Attributes  
Position    
Spines     
Soft-rays   7 - 7
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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