Also known as Coco Worm, Fan Worm, Feather Duster, Feather Tube Worm, Giant Fan Worm, Magnificent Fan Worm, Magnificent Feather Duster Worm, Rock Worm, Segmented Sea Worm, Tubeworm.
Found singly or in small colonies, in cracks or buried in gravel and sandy substrate, over coral and rocky reefs. Colours vary.
They feed on zooplankton.
Length - 13cm
Depth - 3-20m
Widespread Western Central Atlantic, Caribbean, Eastern Pacific
Segmented worms are extremely mobile, have strong jaws for hunting and feeding on their prey.
Some worms are covered in hairs for protection, scavenging on the sea floor for detritus.
Others are delicate fans, protected by their self made tubes, which they retreat back into when threatened, these are filter feeders and feed on plankton. Ref: https://www.sealifebase.ca/summary/Sabellastarte-magnifica.html