A very large stalked tunicate? or perhaps a dead or dying stalked sponge.
The comb-like structure on the right-side of this animal is fairly unique. Also
this animal has small hydroids, a small squat lobster and other associated
Image ID: expl5826, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photo Date: 2010 July 28 Credit: NOAA Okeanos Explorer Program, INDEX-SATAL 2010