An Unknown Sponge Species. We don't know what the white spots are that are embedded within the tissue, but speculate that they could be embryos.
Unknown Sponge Species
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas. Download larger version (jpg, 230 KB).

An Unknown Sponge Species. We don't know what the white spots are that are embedded within the tissue, but speculate that they could be embryos.

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