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scottt
 Post subject: Little Yabbies
PostPosted: May 29th, '08, 18:56 
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I've decided to have a play with some Yabbie's
I got about forty tiny babies a few weeks ago. They are going well, some are now about an inch long.
Question is ...
How big do they need to get before the little buggers start munching each other :twisted:


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Hamish
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 18:59 
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Cute - is that duck weed on the surface of the water?
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steve
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 19:01 
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keep them well fed and not crowded and they should be right. also keep them at a higher rather than lower ph 7.5 at least with good calcium, and they will have no trouble with their moults which they do frequently at a small size
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scottt
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 19:14 
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Just checked the PH was 7.2.
Threw in a bit of shellgrit dust.
Any tips on food :?:
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scottt
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 19:15 
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yep - duckweed on the water
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steve
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 19:18 
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frozen and thawed veggies (so they sink) are good. they eat just about anything, sometimes waiting until it breaks down abit.
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Hamish
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 19:22 
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I use to throw in raw carrot when I had redclaw in my home aquarium. They really chew it down. THey are funny little buggers. When they get bigger they will grab a bit of carrot and run off with it. THey are fun to watch. Make great pets.
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scottt
 Post subject: Re: Little Yabbies
PostPosted: May 29th, '08, 19:54 
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Thawed and frozen - Thanks Steve
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wdyasq
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 12:22 
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I've been having this crazy thought. Crayfish/yabbies seem to stock by area but fish stock by volume.

When crayfish densities get too high, they lunch on each other. Would it be possible/practical to have a tank of the critters in a vertical separation method - similar to 'floors' on a building and increase density levels?

Ron

Probably should do a drawing and start a new thread on this one ..........
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RupertofOZ
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 13:11 
Entirely possible Ron... and many people use stackable yabbie trays for that purpose...
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Hamish
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 14:08 
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wdyasq wrote:
I've been having this crazy thought. Crayfish/yabbies seem to stock by area but fish stock by volume.

When crayfish densities get too high, they lunch on each other. Would it be possible/practical to have a tank of the critters in a vertical separation method - similar to 'floors' on a building and increase density levels?

Ron

Probably should do a drawing and start a new thread on this one ..........

There are comercially available units like this http://blueyabby.com/en/Products/EDU%20Cells.htm
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RupertofOZ
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 14:18 
Battery Yabbies.... :shock:
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RupertofOZ
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 14:24 
These are how it's often done for prawns and yabbies...

Not sure how they compare to the Edu-Cells cost wise... but trays aren't cheap though...


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Sleepe
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 16:13 
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Scott

You do realise the little buggers are great escape artists? :)
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steve
 Post subject: Re: Little Yabbies
PostPosted: May 30th, '08, 16:30 
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i've found that if you have the water parameters to their liking they pretty much stay put. unlike fish the can "get the hell out" if the water does not agree with them :)
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