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Armadillidium Nasatum Blues


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I have been keeping armadillidium nasatum on and off for about 3 years now, with varying levels of success. These isopods are very common in my backyard, and they can be easily sourced during most of the spring and summer, sometimes even into the fall. My first and second cultures produced babies, but they all died off mysteriously. 
My third and current culture was more of a flop. I introduced 32 individuals into the refurbished enclosure, and they all seemed to do fine. I didn't check on them for a few weeks, and next thing I knew, they were all dead.
The odd thing is the tank was still as humid as it should be, and the 2 small backyard millipedes (nothing major, just your garden variety round millipedes) that had been with the isopods from enclosure to enclosure are still alive, and even reproduced. Additionally, one isopod is still alive, and is average size and color.
I don't know why they keep on dying. Should I lower the humidity? Water accumulates on the lid and drips back down. Could this make the soil too wet? Should the enclosure be smaller to keep them together and encourage them to breed? Should I use a less chunky substrate? Any advice is welcome :).
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45 minutes ago, Allpet Roaches said:

Limited ventilation isn't usually a problem for these. Maybe it's the food you're offering or not offering? What substrate are you using? 

Isopod substrate from EZ Botanicals. I offered leaves and carrots in the past, but ditched the carrots when they molded faster than the isopods would consume the carrots. The water forms massive droplets at the top, so I figured that the ventilation was lacking (there are 8-10 tiny air holes).

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  • 6 months later...

Hm, I'm learning about them.  I wonder if they had something enter with them, or if there is some sort of underlying issue?  I  know they eat decaying stuff.  Is the colony outside thriving?  

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  • 1 month later...

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