File:Porites porites furcata (branched finger coral) (San Salvador Island, Bahamas) 21 (16067232676).jpg
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[edit]DescriptionPorites porites furcata (branched finger coral) (San Salvador Island, Bahamas) 21 (16067232676).jpg |
Porites porites furcata Lamarck, 1816 (a.k.a. Porites furcata) - branched finger coral on a patch reef. Stony corals have a patchy distribution in the shallow marine waters surrounding San Salvador Island. They occur as isolated individual colonies, in patch reefs, fringing reefs, and barrier reefs. Stony corals are scleractinian anthozoan cnidarians (there are also non-scleractinian stony corals in the fossil record, such as tabulates and rugosans). They consist of individuals or colonies of gelatinous polyps that secrete hard skeletons of aragonite (CaCO3). Most scleractinian corals live in warm, tropical to subtropical, photic zone environments (the shallow portions of the world’s oceans where sunlight penetrates). Microbes (Symbiodinium - Protista, Dinoflagellata/Pyrrhophyta) called zooxanthellae live in their tissues and need to be in sunlight to make their own food (photosynthesis), which is shared with the host coral animal. Scleractinian corals have stinging cells (nematocysts) in their tentacles that paralyze prey. The pale lavender-colored crusts are calcareous red algae - probably Porolithon pachydermum. Classification: Animalia, Cnidaria, Anthozoa, Scleractinia, Poritidae Locality: patch reef south of French Bay government dock, southwestern San Salvador Island, eastern Bahamas |
Date | |
Source | Porites porites furcata (branched finger coral) (San Salvador Island, Bahamas) 21 |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/16067232676. It was reviewed on 3 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
3 May 2015
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Camera manufacturer | Canon |
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Exposure time | 1/200 sec (0.005) |
F-number | f/9 |
ISO speed rating | 80 |
Date and time of data generation | 13:34, 15 March 2013 |
Lens focal length | 7.23 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 01:49, 24 December 2014 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 13:34, 15 March 2013 |
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Date metadata was last modified | 20:49, 23 December 2014 |
IIM version | 2 |