Plerogyra sinuosa, sometimes called bubble or grape coral, is moderately common at Kwajalein. It can be found on lagoon or seaward reefs, and even on shipwrecks in the bottom of Kwajalein lagoon.
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With tentacles extended at night.
The one below resembles a photo of a juvenile Plerogyra sinuosa in Rowlett's Indo-Pacific Corals.
Empty skeleton.
In the Philippines and Indonesia, this coral often hosts a pair of the small commensal shrimp Vir philippensis. The photo below is from Bali. We have not yet seen this shrimp in the Marshalls.
Created 15 April 2020
Updated 9 June 2023