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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aussieJJDude
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Re: Zoea

Post by aussieJJDude » Fri May 24, 2013 1:04 am

Wow, they have grown! :D
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Re: Zoea

Post by Nat_addicted to HC's » Fri May 24, 2013 6:04 am

Shell openings vary with the size of the crab, some are a lot smaller, some are huge, same crabitat & the same conditions :) the largest crab is in a 7mm opening shell!
I love looking back at all the pictures too :)! Its time they get their own room lol it sounds like we have mice in the walls but alas its just the crabs next to my side of the bed ;) giggle
Oh & the mass shell shop parties in the middle of the night is quite fascinating, if they hear someone in there its like a mass flock to check out what shell has been abandoned!
Natalie van Amstel

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

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Re: Zoea

Post by Nat_addicted to HC's » Fri May 24, 2013 8:38 am

26 - 32 degrees (ambient)
75 - 85% humidity
100% sand
14 day 10 night
Constant access to fresh & ocean water deep enough to submerge completely
Fed same diet as my mature crabs daily
Not separated to molt ever
Not bathed
Constant access to spare shells
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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KittyKatt
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Re: Zoea

Post by KittyKatt » Thu Jun 13, 2013 2:23 pm

AHHHHH!!! I loved this thread! I hope the babies are doing well! :D
I will love my struggles, for they have made me strong!!
5 wonderful E's, 4 amazing PP's, 1 spectacular MHC (thin striped hermit crab) 2 silly dogs, 20ish crazy cats, 3 lazy ferrets, and a wonderful understanding husband :)
RIP to Aramis my female E and RIP to Price, our old man ferret <3

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kuza
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Re: Zoea

Post by kuza » Thu Jun 13, 2013 2:43 pm

Nat, do you have a guide written up? right now I'm just searching your posts on here, but currently my straw has dropped live babies already and has more eggs on the way. So I'm trying to get ready, I guess I have about 1 month to prepare!

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Re: Zoea

Post by Nat_addicted to HC's » Thu Jun 13, 2013 8:39 pm

Hi Kuza! No i have not made a guide sorry. make sure your salt water pool has a bubbler in it all times, You are going to have to have a kreisel type tank ready to go at the drop of a hat, ocean water (amount varies depending on kreisel size and cleaning frequency) made up in storage, keep an eye on the salinity of your saltwater too, something to transfer the zoea with, food for the zoea, start sourcing shells, find the references for your species (Perhaps wolf might be able to help with that??) so you know what to expect at what stage of development set up kriesel and get it stabalised when she looks close, investigate the climate in the areas these guys live and breed in the wild to get an idea on temps but I would say hotter than mine, and watch her like a hawk, she might not deposit them in the dish/pool. fingers crossed for you! oh and a light, get a light, I observed my zoea do some really cool stuff with light, they are attracted to it at night and by using a torch made it easier to catch when I was switching them in the jars. also if there was light they were active in still water but when the light went out they drifted to the bottom either way still water = death. I simulated day and night cycles. :crabbigsmile:
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 kuza » Fri Jun 14, 2013 1:08 am

thanks!! and how did you heat the water int he tank without hurting them? I have a lot of spare tanks and resources so if you were to do it from scratch, how would you set up the tanks?

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Re: Zoea

Post by Nat_addicted to HC's » Fri Jun 14, 2013 2:12 am

Check out the beginning of the thread, my heater is inside the main tank & jars inside it, that way no one comes into contact with the heater :)
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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kuza
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Re: Zoea

Post by kuza » Fri Jun 14, 2013 9:49 am

awesome thanks!

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Re: Zoea

Post by Nat_addicted to HC's » Sun Jun 16, 2013 8:12 am

Image
Theyre growing :) surprised on little one took a spiral shell!
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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Rocky
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Re: Zoea

Post by Rocky » Sun Jun 16, 2013 8:33 am

I can't believe how many babies you still have left! :D And my, they've grown like weeds! You must be one proud momma :banana: I will never stop loving this thread
We're not asked to do great things, we're asked to do all things with great care.
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Stop the demand. End the trade.

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Careyenz
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Re: Zoea

Post by Careyenz » Sun Jun 16, 2013 1:56 pm

This is my favorite by far. I love to look over the old pics! They are just adorable. The one in the long shell looks like he thinks he's a little viola! They're just too sweet for words!


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Careyenz, mom to Collin-7, Lily-4, 4 Straws, 5 Blues, 2 Violas, 2 E's, 2 PP's, and 3 cats.

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aussieJJDude
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Re: Zoea

Post by aussieJJDude » Mon Jun 17, 2013 3:10 am

Wow, such cuties.... And to think you sharing your home with them and have access to look at them 24/7..... LUCKY!! :lol:
And love the pic of the aussie wanna be viola :D SO cute!!!
Crabs || Fish || Shrimp || Snails || Plants || Insects

25G Nano Freshwater || 64G Freshwater Community || 90G Fancy Goldie Pond || 64G Crabitat
I've never had any problems with 'Impulse Buying'... They're just things I forgot I had planned to get || Self Designated 'HCA Pic Fan' 2012+

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Re: Zoea

Post by Curlz » Mon Jun 17, 2013 4:54 am

@Kuza: a guide of c. variabilis won't help you, because they are one of the special species with a very very short development. And the only land hermit crab species where the larvae do not eat in the first stage, befor getting to megalopa stage.
A better guide will be of other species. Unfortunenately there is no documentation about perlatus. So you have to experience like Nat or me.
And have an eye on the development of other species (compressus for example)

buy enough salt (fishkeeping saltwater salt): (read manual to mix)
Because of the food , you have to clean up the tank very often, to keep the nitrite and nitrate values as low as possible. Therefor you should change water every day (to get off food and poo). I have changed nearly 50% of the water every day.
Buy brine shrimps (with a station to breed them). The larvae need freshly hateched brine shrimp. And that means they should not be older than 3 hours. All others do not have enough needed stuff. Older shrimps has to be catched out of the water. To keep the water clean. And the larvae will not eat bigger shrimps.
All other food (instant or fish pellets, flakes) are not enough. They need food to catch while swimming.

One additional option: freshly hatched brine shrimp in a jar (Ocean nutrion)

Nat already said it: put a Kreisel in an aquarium and keep the heater in this aquarium and not in the kreisel. Keep the temperature at 26°C (78.8°F).
And the water has to be in motion, always. That's why a kreisel or a round jar is the best way to keep the water in motion. With a bubbler or a flexible tube and a fishkeeping airpump.
Last edited by Curlz on Wed Jun 19, 2013 12:30 pm, edited 1 time in total.
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kuza
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Re: Zoea

Post by kuza » Mon Jun 17, 2013 6:02 am

Perfect thanks again!

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