Symbionts (IMAGE)

King Abdullah University of Science & Technology (KAUST)

Symbionts

Caption

Because they all appear as tiny round spheres with few features to tell them apart, the symbiotic microscopic algae of corals were once thought to belong to a single species found in all reef-building corals. These symbionts are now recognized to be a group that comprises hundreds and possibly thousands of species that can be sorted into at least 15 genera.

Credit

Todd C. LaJeunesse

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Embargo release Aug 9 2018 12 pm EST

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