Porcelain crabs

Porcelain crabs

Postby Noof » Sat Apr 07, 2007 7:28 am

Hi,
Interested to know if there is much info out there about porcelain crabs?
In particular do they have stages like shrimp? Or just grow until they settle?
spawning habbits? Frequency?
Have these guys been "done"?
Cheers
Nathan
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Postby Luis A M » Sat Apr 07, 2007 11:46 am

Crabs have some few larval stages,the last one is called megalopa,which is basically a tiny swimming crab with a tail.They should be much easier to raise than shrimps.
Luis
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Postby Peter Schmiedel » Sun Apr 08, 2007 1:29 am

Folks,

a member of the German forum posted these days his PhD paper about this crabs:

http://deposit.ddb.de/cgi-bin/dokserv?i ... 764847.pdf

I know its in German but maybe helpful too. I had no time to read it.
Take care
Peter
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Postby Noof » Sun Apr 08, 2007 8:49 am

Cheers Lads,
Will see what I can do about breeding these guys sometime in the future.
More on this as it happens.
Nathan
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Postby Luis A M » Tue Apr 10, 2007 6:14 pm

Thanks Peter for the huge paper on porcelain crabs larvae :D
Nathan,it is confirmed.Most have only two zoea stages plus the megalopa.
They feed on bs and seem easy to raise.
Luis
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Postby Noof » Tue Apr 10, 2007 8:31 pm

Thanks Luis,
easy for you to raise maybe!! I will have a crack and see what I can do. Have a few problems with them hiding in a reef display making it difficult to see what they are doing... spawning?...
I guess I will start with a similar setup to the peppermint shrimp tank and airline?
Hopefully I will have a little data to report here soon.
Nathan
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Postby Noof » Tue Apr 17, 2007 9:06 am

Those who own PCs in your tanks, Can you give me an idea of molting times you observe?
Thanks
Nathan
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Postby DrHsu » Wed Apr 18, 2007 9:22 pm

Found a pdf that looks like it could be useful to you. Some interesting ideas on settlement cues in the conclusion.

Will also be useful for shrimp breeders looking for a workable system.
Li Chieh

Otherwise known as marinebetta in most marine forums.....

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"It's what you learn after you think you know it all..that matters" - Anon
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Postby Noof » Thu Apr 19, 2007 8:29 am

Thanks Li,
These guys are in a reef tank and a little difficult to get to but I'll see what I can do
:D
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Postby ozadars » Thu May 01, 2008 8:51 pm

I have one porcelain crab living in one of my anemones and was wondering if these crabs are hermaphrodites. If so I would definately like to add another one.
I have usually seen them alone from the diving photos. I have seen them in couples a couple of times in the photos though and one of them was always almost half the size of the other.
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Postby mpedersen » Thu May 01, 2008 10:59 pm

FWIW, we have 3-4 of these living in the same tank with our Onyx Percula Broodstock...I've never seen any of them carrying eggs or anything...I suspect that'd be pretty hard to see considering they are kinda "shy".

Matt
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