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-   -   Crayfish Clarkii and CPO (http://www.tropicalfishkeeping.com/fish-breeding/crayfish-clarkii-cpo-236009/)

henningc 07-28-2013 07:25 PM

Crayfish Clarkii and CPO
 
Wanted to find out if anyone had experience tank breeding clarkii crayfish? I have been thinking about giving it a try this winter with an eye toward spring. I'd like to know if I can get them to breed without killing each other in a tank. I would also like to know if one color variety is more or less agressive than the others. I have worked with them before, just kept one per tank. Even if somebody tried and failed I would like to hear from them.

As for CPO's I'd like to hear other peoples experience. I will be working with them when the weather cools off. Here again, I would be looking toward spring as a possible kiddie pool breading project.

I currently have marble crayfish.

Agent13 07-28-2013 08:53 PM

Well maybe I know. From looking it up I think that is what I have a pair of. I have the blue ones if in fact they are Clarkii. First pics then I'll tell what I know.
http://i1008.photobucket.com/albums/...os/mahcray.jpg
The boy trying to sink floating plants
http://i1008.photobucket.com/albums/...s/crayfish.jpg
Female defending her food
http://i1008.photobucket.com/albums/...hotos/rawr.jpg



Ok so here is what I know. The store I got them from carries the other colors shown for Clarkii in tanks next to eachother. I have been floored by the violent behavior on the female blue I own. She is about a little over 5 inches and the boy creeping up to 4inches. They tolerate eachother and respect their shedding times alone and on occasion share the same rock to sleep. No breeding yet but only had them since..May?? I think. An employee of that same store got a pair of blues and they have bred successfully in the same conditions I keep mine. He is now raising a bunch of their babies. Keeps them in a 40gallon and I keep my pair in a 48g. The white one they have currently is beautiful but I don't want to start another tank and she doesn't exhibit the mean streak my blue female does.

jaysee 07-28-2013 09:48 PM

The problem that I encountered trying to breed CPOs was cannibalism.

One color isn't any more or less aggressive than another color.

Agent13 07-29-2013 02:08 AM

oh CPO as in dwarf crays? I love the kept 6-7 orange ones at onetime. With a big enough tank I didn't see cannibalism... however I could see that happenning as these thumbnail sized guys would pinch anyone and everyone who was trying to get their food. 5 inch bala shark ..whatever... GDs got a good beating from them. In a tank of fish growing to 12+ inches they can hold their own but that also leads me to agree with Jaysee...If they are not faced with serious larger fish I can easily see this happening

henningc 08-01-2013 04:07 PM

Thanks for the replies. I'll be looking at some Clarkii in a few months. We will see what happens.

As for CPOs, I've read they only attack each other if they are crowded and there is not enough cover for each animal. Eventually I'll run some of them as well.

fishkid 08-01-2013 08:09 PM

From what I read it seems as though female CPOs are significantly more aggressive than males.

henningc 08-02-2013 03:01 PM

Thanks for the information, never heard that, but I can see it making sense.

I plan to put a few in a C.A.R.E.S. tank. They will be natives with the Goodieds.

Next smmer I would like to pool breed them just to see if it works.


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