File:Aratus pisonii (mangrove tree crab) (Sanibel Island, Florida, USA).jpg
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Summary
DescriptionAratus pisonii (mangrove tree crab) (Sanibel Island, Florida, USA).jpg |
Aratus pisonii (Milne-Edwards, 1837) - mangrove tree crab in Florida, USA (January 2016). The crustaceans are a large group of arthropods that inhabit marine, marginal marine, freshwater, and terrestrial habitats. The crustaceans include crabs, lobsters, shrimp, crayfish, barnacles, ostracods, and other organisms. The oldest fossil crustaceans are in the Cambrian. The group experienced a significant radiation in the oceans during the Mesozoic Marine Revolution. The mangrove tree crab shown above occupies mangrove swamp environments. It usually lives among red mangroves - Rhizophora mangle (en.wikipedia.org/wiki/Rhizophora_mangle). At low tide, the crabs are near or on the ground. During high tide, they ascend tree trunks, often to relatively high levels. Mangrove tree crabs are omnivorous - they are principally herbivores, feeding on mangrove foliage, but are also detritovores, scavengers, and predators on small invertebrates and some protists. Classification: Animalia, Arthropoda, Crustacea, Malacostraca, Decapoda, Brachyura, Sesarmidae Locality: tree along boardwalk to Mangrove Overlook, Ding Darling National Wildlife Refuge, Sanibel Island, southwestern Florida, USA More info. at: en.wikipedia.org/wiki/Crustacean and en.wikipedia.org/wiki/Aratus_pisonii |
Date | |
Source | Aratus pisonii (mangrove tree crab) (Sanibel Island, Florida, USA) 12 |
Author | James St. John |
Other versions | More free-licensed photos of A. pisonii here |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/24297664201. It was reviewed on 18 January 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
18 January 2016
Captions
Items portrayed in this file
depicts
some value
6 January 2016
0.01666666666666666666 second
11
11.614 millimetre
100
image/jpeg
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1,585,666 byte
1,291 pixel
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:28, 18 January 2016 | ![]() | 1,798 × 1,291 (1.51 MB) | wikimediacommons>Tillman | Transferred from Flickr via Flickr2Commons |
File usage
Metadata
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Camera manufacturer | Canon |
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Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/11 |
ISO speed rating | 100 |
Date and time of data generation | 14:37, 6 January 2016 |
Lens focal length | 11.614 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 13:53, 14 January 2016 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 14:37, 6 January 2016 |
Meaning of each component |
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Shutter speed | 5.90625 |
APEX aperture | 6.90625 |
Exposure bias | −0.33333333333333 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
Focal plane Y resolution | 16,483.516483516 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Portrait |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 06:53, 14 January 2016 |
Unique ID of original document | A00D1B17E8666625DA15E78C8CE8D569 |