NMNH Coral Probiotic - Paste After Application

Kelly Pitts, Smithsonian.
June 5, 2025
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Bubbly, rough-textured surface of underwater coral with layer of paste.
Kelly Pitts, Smithsonian.

Corals treated with the probiotic paste lost more tissue than the untreated corals. This revealed that applying the probiotic directly to the lesions was the least effective way to control SCTLD.

Scientists with the Smithsonian’s National Museum of Natural History have discovered that a bacterial probiotic helps slow the spread of SCTLD in already infected wild corals in Florida. The findings, published today in the journal Frontiers in Marine Science, reveal that applying the probiotic treatment across entire coral colonies helped prevent tissue loss.

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