Here are a few pictures showing the splitting process.
The first picture you can see two mourhs if you look closely. Oneclose to one end and the other near the other end. The other pictures show the polyp pinching in the middle like a figure 8 until you it ends up with two full heads.
The first picture you can see two mourhs if you look closely. Oneclose to one end and the other near the other end. The other pictures show the polyp pinching in the middle like a figure 8 until you it ends up with two full heads.