Image:PortJacksonShark'sEgg20050417c.JPG

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Description

Egg case of Port Jackson shark. Egg case found on Vincentia beach, Jervis Bay Territory, Australia.

Egg cases when found washed up on the beach are sometimes known as a Mermaid's purse.

The screw-like helical flanges help the mother shark to secure the egg within rock crevices.
Source
Date
Author

User Golden Wattle on en.wikipedia
Permission
Public domain This image has been released into the public domain by its author, AYArktos. This applies worldwide.

In some countries this may not be legally possible; if so:
AYArktos grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Other versions

Originally from en.wikipedia; description page is (was) here * 09:54, 24 April 2005 [[:en:User:Golden Wattle|Golden Wattle]] 2048×1536 (642,523 bytes) <span class="comment">(Shark's egg - Port Jackson Shark. Egg case found on Vincentia beach, [[:en:Jervis Bay Territory]] {{PD-user|AYArktos}})</span>

The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
  • Shark
  • Mermaid's purse
  • User:AYArktos/images

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified image.

Image title OLYMPUS DIGITAL CAMERA
Camera manufacturer OLYMPUS OPTICAL CO.,LTD
Camera model C740UZ
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used v754g-79
File change date and time 11:20, 17 April 2005
Y and C positioning 2
Exposure time 1/200 sec (0.005)
F-number f/3.5
Exposure Program Creative program (biased toward depth of field)
ISO speed rating 200
Exif version 2.2
Date and time of data generation 11:20, 17 April 2005
Date and time of digitizing 11:20, 17 April 2005
Image compression mode 2
Exposure bias 0
Maximum land aperture 3.6
Metering mode Pattern
Light source Unknown
Flash 16
Lens focal length 49.4 mm
Colour space sRGB
Custom image processing Normal process
Exposure mode Auto exposure
White Balance Auto white balance
Digital zoom ratio 0
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
Retrieved from "http://en.wikipedia.org/wiki/Image:PortJacksonShark%27sEgg20050417c.JPG"