File:Busycon sinistrum (lightning whelk) (offshore Carrabelle, Florida, USA) 2 (24570696705).jpg
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[edit]DescriptionBusycon sinistrum (lightning whelk) (offshore Carrabelle, Florida, USA) 2 (24570696705).jpg |
Busycon sinistrum Hollister, 1958 - lightning whelk from Florida. (apertural view) (public display, Bailey-Matthews Shell Museum, Sanibel Island, Florida, USA) This species is also known as Sinistrofulgur sinistrum, which has been considered by some to be conspecific with Busycon perversum. The gastropods (snails & 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 & pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores. From museum signage: "This world record size whelk measures 402 mm (about 16 inches). It was collected in 1993 by a scallop fishing boat at a depth of 37 meters, off Carrabelle, in the Florida Panhandle. It is the largest left-handed whelk on record." Classification: Animalia, Mollusca, Gastropoda, Neogastropoda, Busyconidae Locality: offshore Carrabelle, northwestern Florida, USA More info. at: en.wikipedia.org/wiki/Sinistrofulgur_sinistrum |
Date | |
Source | Busycon sinistrum (lightning whelk) (offshore Carrabelle, Florida, USA) 2 |
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@N05/24570696705. It was reviewed on 24 January 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
24 January 2016
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Camera manufacturer | Canon |
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Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 12:36, 4 January 2016 |
Lens focal length | 6.2 mm |
Width | 3,000 px |
Height | 4,000 px |
Bits per component |
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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 | 20:22, 23 January 2016 |
Exif version | 2.21 |
Date and time of digitizing | 12:36, 4 January 2016 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 6 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
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Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto 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 | 13:22, 23 January 2016 |
Unique ID of original document | 0203058D29F40225FB0DA17C8DFB3460 |