I finally found a way to stamp my sea anemones and my lands to the world so now they do not have to move around when set up is pushed. But the problem now is I can see they sharks going into the sea anemones and on the lands, eating the clown fishes and the sea turtles while they are hiding. I already tried to fix this by making the sharks turn back on collision with the sea anemone and lands but the another problem that resulted from that is that they eat the fishes before turning back. I am working on making them turn back before collision.