A large aggregation of branched deep sea sponges documented on Dive 10 at Mid Karin Ridge.

A large aggregation of branched deep sea sponges documented on Dive 10 at Mid Karin Ridge.

A large aggregation of branched deep-sea sponges documented on Dive 10 at Mid Karin Ridge. These may look like coral from a distance, but once Deep Discoverer got close, we were able to see that they were in fact sponges (see bottom image). Image courtesy of the NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana.

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