During Dive 03 of the 2021 North Atlantic Stepping Stones expedition, we saw several very large glass trumpet-shaped sponges, some that were well over a meter (three feet) in height. In this image, remotely operated vehicle Deep Discoverer images one of the sponges; for reference, Deep Discoverer is 2.7 meters (9 feet) tall!
Deep Discoverer Imaging Large Glass Sponge
Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts. Download larger version (jpg, 402 KB).

During Dive 03 of the 2021 North Atlantic Stepping Stones expedition, we saw several very large glass trumpet-shaped sponges, some that were well over a meter (three feet) in height. In this image, remotely operated vehicle Deep Discoverer images one of the sponges; for reference, Deep Discoverer is 2.7 meters (9 feet) tall! Watch a video of one of these sponges.

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