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|polychaete or polychete |
Any of various often brightly colored annelid worms of the class Polychaeta. Each segment of a polychaete has a pair of fleshy appendages that are tipped with bristles (setae), used for swimming or burrowing. Most species of polychaetes live in saltwater, feed on tiny aquatic animals and plants, and range in size from a few millimeters to 3 m (10 ft) in length. Compare oligochaete.