Feather stars consist of a mass of feather like arms radiating from a tiny body. On this small body the mouth faces upward, opposite to other echinoderms. Feather stars have tube feet on their arms but these have no suckers at the end, unlike starfish and sea urchins. Feather stars come in a great range of colours including some bright yellows and reds that appear to advertise the presence of the feather star to all around them. As in other brightly coloured marine animals, the bright colours may serve to remind fish and other predators of their poisonous nature.
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