File:Acanthurus coeruleus (blue tang) (San Salvador Island, Bahamas) 6 (15527792634).jpg
![File:Acanthurus coeruleus (blue tang) (San Salvador Island, Bahamas) 6 (15527792634).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/2/22/Acanthurus_coeruleus_%28blue_tang%29_%28San_Salvador_Island%2C_Bahamas%29_6_%2815527792634%29.jpg/800px-Acanthurus_coeruleus_%28blue_tang%29_%28San_Salvador_Island%2C_Bahamas%29_6_%2815527792634%29.jpg?20150503211806)
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[edit]DescriptionAcanthurus coeruleus (blue tang) (San Salvador Island, Bahamas) 6 (15527792634).jpg |
Acanthurus coeruleus Bloch & Schneider, 1801 - blue tang & Acanthurus bahianus Castelnau, 1855 - ocean surgeonfish over a shallow subtidal, mixed carbonate hardground and aragonite sandy seafloor. Blue tangs are a type of doctorfish that range from pale blue to dark blue to black with dark blue peripheries. The grayish-colored fish at the lower right is an ocean surgeonfish, another type of doctorfish. Blue tangs have white- to yellow- colored spines at the base of their tails (= slit-shaped structure), while ocean surgeonfish have dark blue-colored spines. Classification: Animalia, Chordata, Vertebrata, Actinopterygii, Perciformes, Acanthuridae Locality: offshore from northern Sand Dollar Beach, northwestern San Salvador Island, eastern Bahamas |
Date | |
Source | Acanthurus coeruleus (blue tang) (San Salvador Island, Bahamas) 6 |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15527792634. It was reviewed on 4 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
4 May 2015
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Camera manufacturer | Canon |
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Exposure time | 1/1,000 sec (0.001) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 15:23, 19 March 2011 |
Lens focal length | 11.614 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 15:53, 30 December 2014 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 15:23, 19 March 2011 |
Meaning of each component |
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APEX shutter speed | 9.96875 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
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Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
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Focal plane resolution unit | inches |
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File source | Digital still camera |
Custom image processing | Normal process |
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Digital zoom ratio | 1 |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 3,188 px |
Image height | 2,076 px |
Date metadata was last modified | 10:53, 30 December 2014 |
IIM version | 2 |