Quote Originally Posted by GaryP
Its just looking for the right combination of light and current. Just be paitent.
Actually, I think they are evil little buggers that enjoy seeing you look in and be annoyed at their "new little spot". Once they realize they can get you upset, they keep doing it :angry ANd don;t let them go into the overflow or get caught in the powerhead ... then they really have your number :angry :angry

I no longer have any in my tanks!