I have occasionally seen these starfish tucked into the coral by day. When you see just a small part of the animal it is not immediately recognizable as a starfish, just a lump of something that does not match. They emerge at night to feed on the coral itself. Once in the open the five-fold symmetry begins to suggest that you might be looking at a starfish…
![Cushion Star](http://darkerview.com/wordpress/wp-content/uploads/2013/07/CE17-06-11225-DC-600x400.jpg)