Is this a good idea? I have a bunch of shellies in a 110 (half filled) i have a submersible filter in there that keeps the water moving, but the surface doesn't get TOO disrupted and since shellies stay towards the bottom I was thinking about getting a fish that only stays all the way at the top... I was wondering what type i should get and thought of the African Butterfly... Anyone have any hesitations about this? Any suggestions? Any input would be appreciated