Bryozoa, oysters, corraline algae, sponges on interior roof of concrete pipe.
Community is characteristic of mature interior reef surface.
Image ID: reef0184, NOAA's Coral Kingdom Collection
Location: Pokai Bay, Oahu
Photo Date: 28 February 1969
Photographer: Dr. James P. McVey, NOAA Sea Grant Program
Category: Coral Reefs/Artificial Reef/Invertebrates/
• High Resolution Photo Available