Scientific name - Protula magnifica Family: Serpulidae Common name – Magnificent, Coco Featherduster Max Size – 12 in (30 cm) Care Level – Difficult Temperament – Peaceful Foods and feeding – This worm is a filter feeder and will need to be fed plankton. Supplements: Calcium, Trace Elements Aquarium suitability - Reef compatibility – Yes Captive care – This is a filter-feeding worm, that secretes a tube to protect its body. If the worm feels stressed it will retreat into its tube. The worm prefers a shaded area, like under a rock overhang. It comes in a variety of colors. It requires pristine water conditions, small amount of nitrates or metals are toxic to it. They dont have a great survival record in captivity. If the worm is temporarily subjected to stressful conditions it may drop its crown and then regrow it. The worm will do best in an established aquarium.