Feather Duster Worm
The “feathers” of this feather duster worm are actually tentacles that feature an array of fine hairs. The bottom-dwelling worms use these “fans” to gather plankton or other bits of floating food, as well as to take in oxygen. Some feather dusters boast fans 6 inches (15 centimeters) across.
(source:google/http://ocean.nationalgeographic.com/)
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