In areas with soft sediment, we often saw large groupings of sea pens and basket stars, which are sea pen predators.
Sea Pens and Basket Stars
Image courtesy of the Deepwater Exploration of Glacier Bay National Park expedition and UCONN-NURTEC. Download larger version (jpg, 4.4 MB).

In areas with soft sediment, we often saw large groupings of sea pens and basket stars, which are sea pen predators.

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