ring-shaped lesions on A. palmata
Dana.Williams at noaa.gov
Mon Jul 8 15:13:18 EDT 2002
At Molasses Reef in the Florida Keys, I recently observed a patch of
approximately 15 Acropora palmata colonies which had numerous
ring-shaped lesions, only 2 or 3 smaller colonies in this patch were
lacking these distinct rings.
Scars that were identical in appearance were photographed by Margaret
Miller on one or two A. palmata colonies as well as some Millepora
complanata in August 1999 at Pickles Reef (several miles south of
Figures of these scars and additional observations can be viewed at:
http://www.sefsc.noaa.gov/REEFNEW/coral_reef.htm (click on the link at
the top of the page, "ring-shaped scars on Acropora palmata from
These colonies are being monitored to determine the fate of these
lesions but I would appreciate any insight into the cause of these marks
and the prognosis for the affected colonies.
Dana E. Williams, Ph.D.
Post Doctoral Associate
National Marine Fisheries Service
75 Virginia Beach Drive, Miami FL 33149
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