Christmas Tree Worm

Spirobranchus giganteus, feed using their radioles (hair-like appendages or feathers) to catch phytoplankton. Found on coral reefs in tropical waters worldwide. Shed their gametes into water where eggs and sperm become part of the zooplankton, carried by the currents. Come in colors of orange, yellow, blue and white. Small with an average of 3.8 cm in span, Retract into burrows when sensing danger. Their plumes are used for respiration. These are the most widely known sedentary polychaete worms