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Joined: Jul 2016
Posts: 591 Likes: 75
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Joined: Jul 2016
Posts: 591 Likes: 75 |
Hello. Calcium reserve that the Crayfish produces for its moles. ![[Linked Image from i.ibb.co]](https://i.ibb.co/67gS7gjF/IMG-1564.jpg) ![[Linked Image from i.ibb.co]](https://i.ibb.co/SDgp6wb9/IMG-1570.jpg) A+
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Joined: Jan 2011
Posts: 656 Likes: 149
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Joined: Jan 2011
Posts: 656 Likes: 149 |
Good and interesting article. Thanks Bill.
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Joined: Jul 2016
Posts: 591 Likes: 75
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Joined: Jul 2016
Posts: 591 Likes: 75 |
Hello.
The photo show Gastrolith from 2 year old crayfish (Faxonius virilis).
I will take take pictures of 1 year old and 3 year old crayfish to observe the development and size of their Gastroliths.
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Joined: Jul 2016
Posts: 591 Likes: 75
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Joined: Jul 2016
Posts: 591 Likes: 75 |
Hello.
I found 2 blue Gastrolith this morning
A fascinating phenomenon the bluish tint of Gastrolith at the beginning of Gastrolith formation is due to a high calcium concentration and a denser crystalline structure, as they get old they take on their characteristic matte white colour.
Is there anyone here who has studied Gastrolith and found blue Gastrolith.
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