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Old 09-30-2012, 11:55 AM   #16
mach_six
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They hatch in freshwater. You have a day or so to transfer the zoes to saltwater or they'll die.
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Old 09-30-2012, 08:44 PM   #17
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pictures of 21 day zoe's taken today 30.09.12 (camera date not set correctly though)



















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Old 09-30-2012, 09:08 PM   #18
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Doing good so far. How many do you see that are in this stage?

Are you just keeping it in a standard tank with an airstone only?
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Old 09-30-2012, 09:22 PM   #19
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Ah how funny looking! They are cute! I'm loving that you are keeping us up in progress.
Are you planning on doing this again? Or is this just a one time experiment?
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Old 10-01-2012, 08:11 AM   #20
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Quote:
Originally Posted by Elppan View Post
Ah how funny looking! They are cute! I'm loving that you are keeping us up in progress.
Are you planning on doing this again? Or is this just a one time experiment?
Will keep trying i think.. well, one has too...

Im just guessing my way through this now though as limited info around.. the questions I am struggling to answer are:

How do i know when they are ready to move? How long after morph?

How long can i leave the salt water before adding fresh tank water?

I will still have zoes that are waiting to morph so how do i catch the post morph zoes (shrimp) for acclimatise to fresh water?

The info seems to be limited
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Old 10-01-2012, 08:14 AM   #21
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Quote:
Originally Posted by mach_six View Post
Doing good so far. How many do you see that are in this stage?

Are you just keeping it in a standard tank with an airstone only?
In both tanks i think there are about 100 zoe's.... just using an air stone.
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Old 10-01-2012, 08:15 AM   #22
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I did 20% water change yesterday and added 6ml phyto, 2 drops liquizel and small quantity of spirulina powder
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Old 10-01-2012, 11:50 AM   #23
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Quote:
Originally Posted by Richardblack View Post
Will keep trying i think.. well, one has too...

I’m just guessing my way through this now though as limited info around.. the questions I am struggling to answer are:

How do i know when they are ready to move? How long after morph?

How long can i leave the salt water before adding fresh tank water?

I will still have zoe’s that are waiting to morph so how do i catch the post morph zoes (shrimp) for acclimatise to fresh water?

The info seems to be limited
Have you read these links?

http://caridina.japonica.online.fr/English/Elevage.htm

Put the bottom link in the http://archive.org/web/web.php as it is no longer available but archived. Try any you find in 2008 as the one in 2009 doesn't load.
http://mikes-machine.mine.nu/breeding_yamato.htm
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Old 10-01-2012, 01:21 PM   #24
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Quote:
Originally Posted by mach_six View Post
Have you read these links?

http://caridina.japonica.online.fr/English/Elevage.htm

Put the bottom link in the http://archive.org/web/web.php as it is no longer available but archived. Try any you find in 2008 as the one in 2009 doesn't load.
http://mikes-machine.mine.nu/breeding_yamato.htm

That’s really clever... I have looked all over the web for this article by Mike Noren asit has been referred to so often by others... Many many thanks for showing me the way...

Last edited by Richardblack; 10-01-2012 at 02:54 PM.. Reason: spelling
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Old 10-02-2012, 10:29 AM   #25
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After reading Mike Noren blog, i did a15% water change and topped it off with adding 300ml of Phyto..... I gave itall a stir. The zoes were grabbed hold of bits floating past but am not sure whetherthey thought it was food or just grabbing something for comfort.
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Old 10-03-2012, 07:10 PM   #26
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Day 24.

One of my two attempts was failing... The second setup which had half my larvae was made up of old tropical tank water with Tropical Marine salt started to show signs of trouble. Since day 10 I could tell tank B was not as active.

I’m going to refer the failed tank as tank B and the current working one as tank A

What I noticed apart from the apparent reduced numbers in tank B was that the larvae were not advancing in size as much as the other project in tank A. The only difference between tanks A and B is the water in tank B was old tropical water (which i picked because i thought it would be balanced). The water used for tank A was pure fresh RO. There were some other very small differences in salinity (which I have been struggling to define accurately)

In a vain attempt to save what was left in B I sucked up the remaining 20 or so larvae and put them straight into tank A.

Tank A had some waste on its base so I conjured up a rigid tube and 6mm pipe to siphon up the bottom... then replaced the 2 lts with fresh mix and topped the lot off with some liquifry feed.
All my zoe’s are now in one tank.

For reference all my pictures are from tank A

Last edited by Richardblack; 10-03-2012 at 09:33 PM.. Reason: spelling & info correction
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Old 10-03-2012, 07:38 PM   #27
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I cleaned out my tank from project B (left in the diatom brown algae that was growing on the inside) and am getting ready for next batch.

After applying my recent experience I have produced the following setup.

Tank 19lt, 35ppm salinity, Pure & fresh RO, 500ml Phyto, 5ml Stress Zyme+, 5ml Stress Coat+, Lights 24/7, Room temp. Air stone on slow bubble. All now mixed and operational.

The Stress Zyme and Stress Coat may help to keep the zoe’s and water conditioned but then again it may kill them off.. Will let you know in thread when the female is ready.

Last edited by Richardblack; 10-03-2012 at 07:42 PM.. Reason: spelling
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Old 10-03-2012, 09:11 PM   #28
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Good luck Richard. This is all very interesting so far. You're doing a great job documenting it all.
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Old 10-04-2012, 09:22 AM   #29
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Day 26

Things are changing....

There have been some noticeable changes of the last 24hours..

Firstly the zoe’s are far more active and they swim to the lower part of their tank whereas before they would just hang around the top 25%of the water.

Secondly they can swim in both directions so just stop and swim backwards instead of turning around. I have given thought to their swimming direction because actually if they look like they are swimming forwards are they not actually swimming backwards??? I ask this because since birth they have naturally swam backwards as their preferred method of direction!!

Thirdly their colour is changing from a light / transparent brown to a much darker brown. Parks of their body are more visibly defined because of colour and shade differences.

Fourthly they just keep grabbing at each other then sink together, about half way down they separate and swim back up. I have seen this activity before but not with this frequency.

Finally there kinked tails are straightening out more so, and on one or two zoe’s it looks like they flick it down to propel forwards.

I ground down some spirulina tablets into powder and mixed it with water for a feed and by chance discovered something... when I have fed spirulina powder before (as a ground paste with added water) it has always sunk to the bottom with little time for the zoe’s to feed, this time I used warm water to help the paste dissolve. What I discovered is when the paste is put into the tank (with a pipette) it floats up to the surface because the paste is warmer. I wafted the mix about and it formed a suspended cloud of green feed. The zoe’s seemed to like this because as the cloud moved with the slow water flow the zoe’s stopped with it.
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Old 10-04-2012, 03:57 PM   #30
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Day 26

First signs of morph into shrimp.

Feeling nervous

As you can see other zoes still have a way to go

You can see the digital thermometer in the pics.. shows how small things are








Last edited by Richardblack; 10-08-2012 at 09:20 PM.. Reason: link to pics error fixed
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