The feather star is a creature that does not look like an animal, yet it is. It is part of a family of creatures known as crinoids. They have multiple arms that wave in the water like ferns. They use their arms to filter the water and catch plankton and decaying animal and plant matter. The arms draw the food into the center where it is pushed into the mouth and ingested. In this way, they filter the water and keep it clean and clear of decaying solids.
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