Cool looking enclosures...I hadn't seen those before.


Some more questions, though: What temps are you maintaining? What are you using to heat and what are you using to measure the temps? How consistent are the temps? (Do they stay steady all the time, or do the fluctuate throughout the day?) Same questions for your humidity.

What is the environment around the enclosure like? Busy and noisy or quiet and peaceful? Bright lights? Loud (vibration-causing) music or lots of flickering TV images close by?

Are you handling him often? What is your handling routine with him?

From what little I know so far, it sounds like a med mouse is a decent sized meal. We just need to figure out why he hadn't eaten for so long and why he's displaying what seems to be defensive behavior now. There are lots of reasons that could cause it, so that's why there's so many questions.