This is a tube dwelling Worm Shell (Serpulorbis imbricatus) living in a typical calcerous tube. These worm shells send out a mucus net which it uses to filter food out of the water column. This feeding method is highly unusual and almost unique to this family of sea snails.
Image taken on the Davies Reef system in the Great Barrier Reef off the coast of Townsville in Queensland, Australia
· Date: Sun February 11, 2007 · Reference ID: /22006-12-31_13-13-53 · Views: 15720 ·