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Hi I just put 2 crayfish together in the same tank and I went to feed this morning one had killed the other and ripped it in half. Is that normal? or is he just overly agressive ?

If you got a P. alleni, that is par for the course. Most crays under 2" will eat eachother given the chance and especially when one molts.

badflash wrote:If you got a P. alleni, that is par for the course. Most crays under 2" will eat eachother given the chance and especially when one molts.

agree
multiple hidding spot for the molting process is a must if you want keep them together.

zapisto wrote:

badflash wrote:If you got a P. alleni, that is par for the course. Most crays under 2" will eat eachother given the chance and especially when one molts.

agree
multiple hidding spot for the molting process is a must if you want keep them together.

What is the best hidding spots each of you have made/used?

I would understand the molting thing but this crayfish still had it shell! I dont know how he did it but he tore his tail completly off like a lobster tail.!

badflash wrote:

that's pretty cool. i've been making piles of pvc fittings.

badflash wrote:

Very awesome setup badflash!