Might be the bright red sponge Plocamia karykina, which looks like Acarnus erithacus without the raised osculae.

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Photo Library

The SIMoN photo library contains 4278 digital images of animals, habitats, locations, and issues of the Cordell Bank, Gulf of Farallones and Monterey Bay National Marine Sanctuary. Use the search options below to find images of interest. You will be able to browse thumbnails of images then download a high resolution version. For any questions, contact Dr. Steve Lonhart by email (Steve.Lonhart at noaa.gov).

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