Original file ‎(2,048 × 1,536 pixels, file size: 627 KB, MIME type: image/jpeg)

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
This file is lacking source information.

Please edit this file's description and provide a source.

Author User Golden Wattle on en.wikipedia
Permission
(Reusing this file)
Public domain This work 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.

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>

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

copyright status

copyrighted, dedicated to the public domain by copyright holder

copyright license

released into the public domain by the copyright holder

captured with

Olympus C-740UZ

exposure time

0.005 second

f-number

3.5

focal length

49.4 millimetre

ISO speed

200

media type

image/jpeg

instance of

photograph

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current14:17, 10 September 2006Thumbnail for version as of 14:17, 10 September 20062,048 × 1,536 (627 KB)Liftarn{{Information| |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 t
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

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 file.