File:Blue Glow Worm in Springbrook National Park III.jpg

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Summary[edit]
DescriptionBlue Glow Worm in Springbrook National Park III.jpg |
English: They are larvae of a mosquito species, Arachnocampa flava, a fungus gnat. Their larval stage has a blue luminescent glow, which helps them attract preys. The Arachnocampa genus are only found in Australia and New Zealand. Sadly, due to the increasing tourism in recent few years, their populations are shrinking. My tour guide told me that many tourists would use point light at them or use flash light when taking pictures, which is devastating to these larvae. The larvae will think the light is from their companions, so they will compete to glow brighter, so that they can attract more preys. But by doing that, they will use up all energy and can’t survive to the adult stage. They usually die three days after strong light. Strong moonlight kills them too, which was the case the day I went. I wasn’t able to see a full cave of glowing worms as you would find in other pictures online. However, the view was still spectacular. |
Date | |
Source | Own work |
Author | Yulanlu97 |
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This image was uploaded as part of Wiki Loves Earth 2019.
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current | 02:42, 4 June 2019 | ![]() | 6,000 × 4,000 (12.69 MB) | Yulanlu97 (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon EOS 80D |
Exposure time | 20/1 sec (20) |
F-number | f/3.5 |
ISO speed rating | 2,500 |
Date and time of data generation | 22:11, 17 May 2019 |
Lens focal length | 18 mm |
Horizontal resolution | 2,048 dpi |
Vertical resolution | 2,048 dpi |
Software used | Adobe Photoshop Lightroom Classic 8.0 (Macintosh) |
File change date and time | 11:35, 2 June 2019 |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 22:11, 17 May 2019 |
APEX shutter speed | −4.321928 |
APEX aperture | 3.61471 |
APEX exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 85 |
DateTimeDigitized subseconds | 85 |
Color space | sRGB |
Focal plane X resolution | 2,688.7265930176 |
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Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Serial number of camera | 242024002080 |
Lens used | EF-S18-135mm f/3.5-5.6 IS USM |
Date metadata was last modified | 21:35, 2 June 2019 |
Unique ID of original document | AEADCDF2AC924DF369B657E5D53843EC |
IIM version | 4 |