Moved my loaches from one tank to another. There are 4 of them around 3-4" each. They have, for the last year, had a large hollowed out rock that they hung out in. They were always flyin' around the tank and would rest in the fake rock. Now that I have moved them (with their rock) into their new 75g tank, I never see them. they never come out of the rock...at all. maybe at night when we're sleeping. But neer like they used to. Could they be dead inside the rock?? Or are they wussies and hiding? Aren't they gonna get hungry?