File:Murex ramosus (ramose murex snail) (Kenya) 5.jpg
![File:Murex ramosus (ramose murex snail) (Kenya) 5.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Murex_ramosus_%28ramose_murex_snail%29_%28Kenya%29_5.jpg/467px-Murex_ramosus_%28ramose_murex_snail%29_%28Kenya%29_5.jpg?20210907151648)
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[edit]DescriptionMurex ramosus (ramose murex snail) (Kenya) 5.jpg |
English: Murex ramosus Linnaeus, 1758 - ramose murex snail shell from Kenya. (~umbilical view) (~8.5 centimeters across at its widest)
This species is also known as Chicoreus ramosus. The gastropods (snails and slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. Most gastropods have a calcareous external shell (the snails). Some lack a shell completely, or have reduced internal shells (the slugs, sea slugs, and pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores. Seen here is a muricid gastropod with a spinose shell. The high degree of spinosity is usually considered an anti-predation feature. Spinose muricids typically have three axially-oriented rows of spines per whorl, so that each spine row is ~120º from the next. Conchologists have pointed out that such spine row distributions provide orientation stability to the snail and prevent sinking on unconsolidated, fine-grained, high-water-content sediment substrates. Another suggestion holds that well-developed spine arrays could act as traps for potential prey. Muricids are predatory gastropods. They principally prey on encrusting, conchiferous organisms (e.g., bivalves, barnacles) by boring through the shells. It's likely that the spine arrays protect the snail from predatory arthropods or fish while engaged in boring and feeding on prey. Classification: Animalia, Mollusca, Gastropoda, Neogastropoda, Muricoidea, Muricidae Locality: unrecorded site along the southeastern coast of Kenya Info. at: en.wikipedia.org/wiki/Chicoreus_ramosus |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/51416440013/ |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/51416440013. It was reviewed on 7 September 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
7 September 2021
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:16, 7 September 2021 | ![]() | 2,220 × 2,850 (3.67 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51416440013/ with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/11 |
ISO speed rating | 80 |
Date and time of data generation | 16:28, 31 August 2021 |
Lens focal length | 11.614 mm |
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 18.0 (Macintosh) |
File change date and time | 19:24, 31 August 2021 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 16:28, 31 August 2021 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 6.90625 |
APEX exposure bias | −0.66666666666667 |
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 | 15:24, 31 August 2021 |
Unique ID of original document | 3F89A8AC0CE9C91FB202437F1349F429 |