My sand bed is about 3-4" deep. I dont think that is it, but it could be that I'm not sinking it in far enough? It doesnt appear to have a "foot" on it so I dont know how it will hold on to the rocks. I was thinking maybe the flow wasnt enough or too much maybe? I moved it to the other side of the tank last night where the flow was a little bit stronger, not much stronger, but it looked even worse. The flaps were all tucked in and it was kinda tilted to one side.
So now its back over to the other side in the corner where the flow is close to none. My derasa that I put in the spot where my squamosa was at is doing great! I haven't seen it open up that big since I put it in the tank. Anyway, I'll give him a day or two to settle down where its at and if it doesnt work then I see if he likes the rockies!