Christmas Tree Worm

Christmas Tree Worm: The gills of a christmas tree worm, living in its tube in a stone coral. There weren't many of them around here. Dive #368: Sabang Laguna, Mindoro Island, Philippines. Nikon D200, 1/250 s, F/22.0, 105 mm, ISO 100, Sunday, November 15, 2009 04:10:24