We added a royal gramma to our 20gallon tank tonight. Currently it's home to one Yellow Tailed Damsel, One Choco Chip Starfish and a few small crabs. Right now they're feeling eachother out a little bit. There's been some nipping and the gramma has "roared" at him a bit. I don't want to wake up in the morning and find that my 2 dollar fished killed my 20 dollar fish. We're planning on taking the damsel out in two weeks and adding a pair of tank raised clowns. Should we leave the damsel in durring that time, or should we pull him now?