File:White Sturgeon (Acipenser transmontanus) (7007251148).jpg
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DescriptionWhite Sturgeon (Acipenser transmontanus) (7007251148).jpg |
At record-setting sizes of more than 1,300 pounds and 13 feet long, White Sturgeon hold strong to their title of the largest freshwater fish in North America. Like salmon, white Sturgeon are anadromous, meaning they can thrive in freshwater and salt water conditions. Instead of having scales, White Sturgeon have five rows of scutes, a sort of natural body armor of hard plates, covering their body. White Sturgeon have small, beady eyes, making its natural vision limited. The animal mostly relies on its barbels, which are often described as “whiskers,” on the side of its mouth, which help them sense and feel out food. They use their proboscis mouth, which is akin to an elephant’s trunk, to help them suck food out of the sand. Sturgeon skull plates and scutes have been found in Native American middens, or dumping grounds, in San Francisco Bay, the Sacramento-San Joaquin Delta and Elkhorn Slough areas. |
Date | |
Source |
White Sturgeon (Acipenser transmontanus)
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Author | Cliff from Arlington, Virginia, USA |
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This image, originally posted to Flickr, was reviewed on 6 October 2012 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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current | 18:08, 6 October 2012 | 5,078 × 3,385 (9.83 MB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:Magnus Manske |
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Camera manufacturer | Canon |
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Camera model | Canon EOS-1Ds Mark III |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/2.8 |
ISO speed rating | 800 |
Date and time of data generation | 12:51, 2 May 2012 |
Lens focal length | 24 mm |
Horizontal resolution | 400 dpi |
Vertical resolution | 400 dpi |
Software used | Adobe Photoshop Lightroom 3.6 (Macintosh) |
File change date and time | 00:07, 5 May 2012 |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 12:51, 2 May 2012 |
APEX shutter speed | 3.906891 |
APEX aperture | 2.970854 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Subject distance | 1 meters |
Metering mode | Pattern |
Flash | Flash did not fire |
DateTimeOriginal subseconds | 78 |
DateTimeDigitized subseconds | 78 |
Focal plane X resolution | 3,957.7167019027 |
Focal plane Y resolution | 3,961.9047619048 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Serial number of camera | 645054 |
Lens used | EF24-70mm f/2.8L USM |
Date metadata was last modified | 20:07, 4 May 2012 |
Unique ID of original document | 4943FB4CC5EF158C061BF8A660C219AC |
IIM version | 4 |