Corralline algae, erect byrozoa(tan) Reteporellina sp. and ahermatypic(no zooxanthellae algae in tissues and non-reefbuilding) coral, on interior roof of pipe.

Image ID: reef0186, NOAA's Coral Kingdom Collection
Location: Pokai Bay, Oahu
Photo Date: 21 March 1969
Photographer: Dr. James P. McVey, NOAA Sea Grant Program


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