The giant barrel sponge, Xestospongia muta
Giant Barrel Sponge
Image courtesy of John Reed using the University of North Carolina at Wilmington Super Phantom S2 ROV. Download larger version (jpg, 1.4 MB).

The giant barrel sponge, Xestospongia muta, with crinoids at 68 m on Pulley Ridge. This image is taken using a remotely operated vehicle with a camera that points straight down, so you are viewing the top of the sponge.

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