Thanks for the advice
zico, the roots are partially burried but not the rhizome. They are basically trapped between some rocks and I was hoping it would attach to them or the gravel below. I think I'm just going to get some string and tie them up though because one in now floating
akpoly - any other suggestions on a 2nd kind of fish to put in? I wanted something that would fit so I thought Gouramis because they're pretty and don't need to be in a school.