File:CAS Steinhart Aquarium giant clams (Tridacna spp.).jpg
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editDescriptionCAS Steinhart Aquarium giant clams (Tridacna spp.).jpg |
English: A group of giant clams (Tridacna spp.) with their shells open in shallow water at the Steinhart Aquarium of the California Academy of Sciences in San Francisco, California. The exposed mantles of the clams, brightly colored due to their pigment cells, harbor symbiotic zooxanthellae (photosynthetic dinoflagellate algae). The larger, elongated inhalent siphon, surrounded by small tentacles, and smaller, more tube-like exhalent siphon (between which are the filter-feeding adapted gills) are visible in each individual. A goldbelly damsel swims at top center. |
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Source | Own work |
Author | WolfmanSF |
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Annotations InfoField | This image is annotated: View the annotations at Commons |
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current | 02:43, 27 December 2014 | ![]() | 2,848 × 3,600 (3.87 MB) | WolfmanSF (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Canon |
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Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/5.6 |
ISO speed rating | 200 |
Date and time of data generation | 17:20, 28 November 2014 |
Lens focal length | 41 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 12.0 Macintosh |
File change date and time | 18:26, 26 December 2014 |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 17:20, 28 November 2014 |
APEX shutter speed | 5.906891 |
APEX aperture | 4.970854 |
APEX exposure bias | 0 |
Maximum land aperture | 4.625 APEX (f/4.97) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 03 |
DateTimeOriginal subseconds | 03 |
DateTimeDigitized subseconds | 03 |
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Focal plane X resolution | 4,865.6036446469 |
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Rating (out of 5) | 0 |
Date metadata was last modified | 10:26, 26 December 2014 |
Unique ID of original document | 940F273DEF151F05CB3EEE8E5E330044 |
IIM version | 1 |