The Painted top shell or Calliostoma zizyphinum is a sharply pointed, conical shell that is usually yellowish-pink but does have streaks of crimson or brown. It grazes on algae and tiny organisms that live on the surfaces that it crawls over. They are normalyy 1-2 cm and come in a range of colours e.g red,yellow or pink. Seeing as they are shells they have no legs and no eyes. The creature that lives inside's predator is a comonn crab.