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 Post subject: unknown thingy
PostPosted: 26 Sep 2010, 22:43 
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had a dive today in a shallow weedy/sandy area of corio bay and saw heaps of these things ontop of the sand. They are about the size of the palm of your hand and almost a bit leathery in texture. Was thinking they may be leftover egg shell from something. just curious if anyone knows what they are from.


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 Post subject: Re: unknown thingy
PostPosted: 26 Sep 2010, 22:59 
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"sand collar" made by snails/slugs or something like that!


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 Post subject: Re: unknown thingy
PostPosted: 27 Sep 2010, 05:17 
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Really, always thought they were the base of a kelp stalk?

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 Post subject: Re: unknown thingy
PostPosted: 28 Sep 2010, 21:22 
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I thought they were the top part of the spiral egg of a shark

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 Post subject: Re: unknown thingy
PostPosted: 28 Sep 2010, 21:30 
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http://lmgtfy.com/?q=sand+collar&l=1


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 Post subject: Re: unknown thingy
PostPosted: 29 Sep 2010, 16:43 
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I thought it was a Moon Snail egg mass. You see lots in estuaries.


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