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Blue dragon-glaucus atlanticus (8599051974)
 

 

 

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http://commons.wikimedia.org/wiki/File:Blue_dragon-glaucus_atlanticus_(8599051974).jpg

Description
English: Also known as Sea Swallow, Blue Glaucus, Blue Sea Slug, Blue Ocean Slug and Lizard Nudibranch.

Washed ashore at Bronte Beach, Sydney, NSW. Diet: Bluebottle (physalia physalis) Speciality: Stores stinging nematocysts from the bluebottle within its own tissues, which is additional protection from predation

Discovered: 1777, Forster.
Français : Le Glaucus atlanticus ( aussi nommé glaucus atlantique ou glauque, ou encore "lézard" nudibranche) est une limace de mer, aux couleurs dans les tons de blanc, gris perle et bleu, qui s'alimente principalement d'hydrozoaires, tels la physalis ( vessie de mer), dont elle stocke les nématocystes, ce qui lui confère un pouvoir urticant la protégeant des prédateurs. On doit à Georg Forster sa première description scientifique en 1777. Photo d'un spécimen échoué sur la plage de Bronte, Sydney, Nouvelle-Galles du Sud, Australie.
Date
Source Blue dragon-glaucus atlanticus
Author Sylke Rohrlach from Sydney

Licensingedit

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Checked copyright icon.svg This image was originally posted to Flickr by Sylke Rohrlach at http://flickr.com/photos/87895263@N06/8599051974. It was reviewed on by the FlickreviewR robot and was confirmed to be licensed under the terms of the cc-by-sa-2.0.


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EXIF data:
File name blue_dragon-glaucus_atlanticus__8599051974_.jpg
Size, Mbytes 3.0315224609375
Mime type image/jpeg
Camera manufacturer RICOH
Camera model GR DIGITAL 2
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Exposure time 1/64 sec (0.015625)
F number f / 2.4
Exposure program 2
ISO speed rating 100
Compressed bits per pixel 2.8
Exif version 0220
Lens focal length 5.9 mm
Date and time original image was generated 2013:03:03 18:25:30
Date and time image was made digital data 2013:03:03 18:25:30
Meaning of each component 
Aperture 2.5
Brightness 3.9
Exposure bias 0
Maximum lens aperture 2.4
Metering mode 5
User comments ASCII
Supported Flashpix version 0100
Color space information 1
Exif image width 3648
Exif image length 2736
Software used QuickTime 7.6.6
Copyright holder (C) by GR DIGITAL 2 User


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