National Wildlife Health Center

...advancing wildlife and ecosystem health

Cyanobacteria in Corals


A) Cyanobacteria-affected Montipora coral taken at Makua, Kauai on 5 August 2012 by Thierry Work. Green dots indicate areas of macroalgae, the red dots indicate areas of cyanobacteria-associated tissue loss, and the blue dots indicate live coral.
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B) Close-up of A; note the tissue loss revealing white skeleton overlaid by mats of black material delineated from intact tissue by a thin black cyanobacterial band.
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C) Cyanobacteria-affected Montipora coral taken at Makua, Kauai on 5 August 2012 by Thierry Work. The Green dots indicate areas of macroalgae, the red dots indicate areas of cyanobacteria-associated tissue loss, and the blue dots indicate live coral.
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D) Close up of C; note tissue loss revealing white skeleton overlaid by mats of grey-black organic material (cyanobacteria) separated from intact tissue.
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Page Last Modified: May 19, 2016