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Abigail Gretta

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Macro images

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Coral-killer, Qu'est-ce que c'est, Ra Ra Ra Ra, Ra Ra Ra Ra Ra Ramicrusta textilis

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In the Caribbean, the rapid proliferation of the encrusting red macroalga Ramicrusta textilis has raised significant concerns about its ecological impacts, particularly its unique ability to overgrow and cause mortality to numerous living coral species. This photograph of R. textilis overgrowing the boulder star coral Orbicella annularis was taken in St. Thomas, U.S. Virgin Islands with an Olympus Tough T6.