File:Nudibranch on white background.jpg
Original file (2,539 × 1,693 pixels, file size: 1.44 MB, MIME type: image/jpeg)
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Summary[edit]
DescriptionNudibranch on white background.jpg |
Glaucus atlanticus Order: NUDIBRANCHIA Suborder: AEOLIDINA Family: Glaucidae I found this nudibranch washed up on Surfers Paradise Beach in Queensland, Australia. It was about 35 mm in length. Glaucus atlanticus are often washed up on beaches along with Physalia Jellyfish (a.k.a Portuguese Man Of War or Bluebottle Jellyfish). The reason for this is that Glaucus feed on Physalia and are also at the mercy of the ocean currents and winds. Glaucus feed almost exclusively on Physalia, and it appears that they are able to select the MOST venomous of Physalia's stinging cells (nematocysts) for their own use. They store the nematocysts in special sacs (cnidosacs) at the tip of their cerata. (Cerata are the fan-like appendages.) So, NEVER touch these guys!! |
Date | |
Source | Nudibranch |
Author | Taro Taylor from Sydney, Australia |
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This image was originally posted to Flickr by tarotastic at https://www.flickr.com/photos/30674396@N00/3569862832. It was reviewed on 3 July 2011 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
3 July 2011
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:03, 3 July 2011 | 2,539 × 1,693 (1.44 MB) | Tm (talk | contribs) | {{Information |Description=Glaucus atlanticus Order: NUDIBRANCHIA Suborder: AEOLIDINA Family: Glaucidae I found this nudibranch washed up on Surfers Paradise Beach in Queensland, Australia. It was about 35 mm in length. Glaucus atlanticus are often wash |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D70s |
Exposure time | 1/3,200 sec (0.0003125) |
F-number | f/6.3 |
ISO speed rating | 800 |
Date and time of data generation | 10:58, 7 January 2007 |
Lens focal length | 105 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CS4 Macintosh |
File change date and time | 18:26, 27 May 2009 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 10:58, 7 January 2007 |
APEX shutter speed | 11.643856 |
APEX aperture | 5.310704 |
APEX exposure bias | 1 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Fine weather |
Flash | Flash did not fire |
DateTime subseconds | 70 |
DateTimeOriginal subseconds | 70 |
DateTimeDigitized subseconds | 70 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 157 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |