Zoea *successful captive breeding & rearing of C. variabilis

This area is dedicated to the pioneers who have captive bred crabs, and for those who wish to learn more or attempt it themselves. Also for inquiring about the gender of your crabs.
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Nat_addicted to HC's
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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 4:37 am

wodesorel wrote:Can you get a hold of brine shrimp eggs? That's been the go-to food for everyone.
Yes Ive ordered some, should be here in the next 48 hours.
wasn't planning to do this, was so elated to have the salt water dish teeming with them then so sad knowing they would be dead within the day, home with the kids sick so figured I better do something pronto (at least try) now Im sick so will be able to observe them closely. Learning much :)
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Re: Zoea

Post by wodesorel » Tue Dec 11, 2012 4:40 am

They also make a shelf-stable decapsulated brine shrimp egg that stays good for years when unopened. (Without the shell on it, the hermits can eat it as is.) I don't know if that's available where you are or not. I bought one jar for next year so if I do get babies unexpectedly I have something to feed them for the 24 hours it takes to get the live brine shrimp going. Since you keep getting babies and it sounds like you really want to give it a shot, it might be something nice to have on hand for next time.
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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 4:43 am

aussieJJDude wrote:Are they all dead??? :(
No
Natalie van Amstel

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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 4:45 am

wodesorel wrote:They also make a shelf-stable decapsulated brine shrimp egg that stays good for years when unopened. (Without the shell on it, the hermits can eat it as is.) I don't know if that's available where you are or not. I bought one jar for next year so if I do get babies unexpectedly I have something to feed them for the 24 hours it takes to get the live brine shrimp going. Since you keep getting babies and it sounds like you really want to give it a shot, it might be something nice to have on hand for next time.
absolutely, thats what Ive got coming, plus I ordered micro worms & vinegar eels (apparently these when first hatched are perfect for the tiniest of mouths and stimulate the hunt mechanism that dried foods dont do
Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 5:18 am

Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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Re: Zoea

Post by aussieJJDude » Tue Dec 11, 2012 6:35 am

Nice vid, you are now my hero!
I saw the layout of your tank, and I nearly drooled over it, it is sick!
Thank god they aren't dead! If these don't work out, I know the next few will!
:luck::
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Re: Zoea

Post by wolfnipplechips » Tue Dec 11, 2012 3:13 pm

Yep, I have it on my computer now. If you pm me your e-mail I can send it to you. :)
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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 4:46 pm

:banana: Ok so they are mostly still alive! & Have discovered I have another female carrying eggs
Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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Re: Zoea

Post by aussieJJDude » Tue Dec 11, 2012 5:24 pm

That is so cool!
What is your secret? ;)
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Re: Zoea

Post by SoulLonely » Tue Dec 11, 2012 6:02 pm

Kool video! Are they pretty big now, or do you just have an awesome camera??
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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 6:47 pm

No secret really, guess they are happy :)
hahaha that vid was with my iphone lol, my guess is they are about 6mm
today there appears to be heaps of molt like stuff in the jar (there is no way I fed that much) & one is clearly trying to get something off of its tail (for want of a better term) so does this mean zoea II ???
& 1 dead, it was a totally different colour to the rest.
Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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Re: Zoea

Post by wodesorel » Tue Dec 11, 2012 7:26 pm

SoulLonely wrote:Kool video! Are they pretty big now, or do you just have an awesome camera??
I was thinking the same thing. :) They seem so much bigger than wolf's and naalides! I wonder if that has to do with the abbreviated larval stage. The E zoea I found this summer seemed like they were bigger than the PP zoea, but I thought that was because when I found them they had already passed and had turned white and it was the color that was throwing me. (Or it's an optical illusion with the rounded glass jar having water in it, being in water, and then having glass in front of that. Natural magnifier?)


Awesome that they're molting! That's a great sign. :) There's going to be some (a lot) of losses, but that's okay. So far everyone has only been able to get a handful of them to land, so while it's sad, know that it is normal and it's not a sign you're doing anything wrong.

Yes, with every molt they'll advance a stage in development. :) If you could look at them closely you would be able to see their features developing more, and the easiest way to tell the stages it to look at he lobes on the tail. Hard to do without a microscope though!
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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 9:49 pm

ok they are absolutely molting
Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 11:10 pm

Image
1 day old deceased
Image
pics not the best but you get the idea
Image
the molters get air bubbles stuck on the exoskeleton and float the moment I turn pump off for photos, here you can see a zoea molting and there is empty exos floating near it.
Image
close up of the same
definitely need a macro lense :roll:
Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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Re: Zoea

Post by Nat_addicted to HC's » Tue Dec 11, 2012 11:21 pm

Image
me :D watching the zoea molt
Image
The above image is from the Journal of crustacean biology Vol 12 196-209 1992 Alan W. Harvey (Variabilis stages of development)
Quite a lot shorter considering they dont go through as many molts as other species!! better get cracking with those shells and transition setup :shock:
Special thanks to wolfnipplechips for the document it has helped immensely!!!
Last edited by Nat_addicted to HC's on Wed Dec 12, 2012 12:48 am, edited 1 time in total.
Natalie van Amstel

Life isn't about how you survived the storm...
it's about how you danced in the rain!

Australia's Online Land Hermit Crab Food,Treats and Accessories Store
CURRENTLY CLOSED SORRY
http://www.ihavecrabs.com.au

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