Broyozoa, oysters, sponges on interior roof of concrete pipe.
Community is characteristic of mature interior reef surface.
You can see scrape marks from grazing fish on dark and
light green colonies of bryozoa.
Image ID: reef0183, NOAA's Coral Kingdom Collection
Location: Hawaii, Pokai Bay, Oahu
Photo Date: 7 February 1969
Photographer: Dr. James P. McVey, NOAA Sea Grant Program
Category: Coral Reefs/Artificial Reef/Invertebrates/
• High Resolution Photo Available